Components

—$18.25

The Kool-Stop XT/Grimeca Compatible Disc Brake Pad is an organic compound pad. Item Specifications Compound Organic Kool-Stop XT/Grimeca Compatible Disc Brake Pad UPC: 760251075232

by Kool-Stop

—$389.99

The eeBrake G4 is the fourth generation of the legendary eeBrake featuring 100% CNC machined parts, a wider design optimized for 22 - 28mm rims, stiffer black arch spring, a revised one-piece center adjuster with built in resistance for easier use and ghosted laser etching that will stand the test of time - all with the same extraordinary stopping power and light weight that you've come to rely on from eeBrakes. The eeBrake titanium cable adjuster pivots as the brake is applied, optimizing cable alignment during brake actuation The cross cable path aligns the brake cable over the center of the brake which provides a clean and aerodynamic line, moving the cables into the wind shadow of the frame Cable housing extends to lower tip of the cable adjustment screw eliminating added friction to provide even and friction-free braking power Tool-free caliper centering adjustability provides super-precision and pad motion consistency One simple flip of the lever on the Quick Strut release opens wide enough to easily clear a 31mm tire, allowing for easy wheel removal Optimized to work with Shimano, Campagnolo, and SRAM levers Hand-built in Fletcher, NC Item Specifications Brake Lever Actuation Short Pull Brake Mount Type Short Reach Caliper (39mm - 49mm) Brake Position Rear Color Silver Defined Color Silver Hub/Disc Compatibility Rim Brake Pad Type Replacement Insert - Cartridge Weight 83.7 Cane Creek eeBrake G4 Road Caliper Brakes UPC: 840226016924

by Cane Creek

—$105.10

Every high-quality Galfer-patented Wave rotor is made from a proprietary mix of virgin high carbon 420 stainless steel laser cut (never stamped) double disc-parallel ground to assure perfect parallel flatness and heat treated to each specific application. Precision made in the Galfer factory in Spain. Rotors are designed to provide a greater resistance for reliable braking 2.0mm thickness and Joint Geometry offers greater rigidity and thermal stability *Please confirm that your disc brake caliper is compatible with 2.0mm thick rotors Item Specifications Hub/Disc Compatibility 6-Bolt Pad Compatibility All Pad Compounds Rotor Size (mm) 180 Rotor Type Two Piece Galfer Floating Wave Disc Brake Rotor Disc Rotor EAN: 8400170128597

by Galfer

—$284.99

The Shimano 105 ST-R7170 Di2 Shift/Brake lever features Di2 electronic shifting for precise, intuitive gear changes to even more riders. Reach adjustment and customized button functions allow you to dial in your ideal ergonomics Creates a clean cockpit with wireless connection and enhances the aesthetic of your bike while keeping shifting lightning fast Easily change button function with the E-TUBE app Raised hood peak improves ergonomics, while a longer hood body increases hand support Includes 2 x CR1632 batteries Item Specifications Adjustable Reach Yes Brake Lever Actuation Hydraulic Brake Lever Use Left Brake Type Disc Brake Usage F/R Front Color Black Double or Triple Double FD/Shifter Compatibility Shimano Road Double Front Der/Shifter Compatibility Shimano Mountain Di2 Hydraulic Fluid Type Mineral Oil Includes Brake No keyword search 105 keyword search Di2 Weight 212 Shimano 105 ST-R7170 Di2 Shift/Brake Lever Left Brake/Shift Lever, Drop Bar-Left UPC: 192790168661

by Shimano

—$673

The SRAM RED eTap AXS HRD shift/brake lever and disc brake caliper system combines fully wireless electronic shifting with fully hydraulic disc braking. This AXS enabled system can be easily personalized to provide the best possible shifting and braking experience for all riders. AXS enabled for easy personalization Simple and intuitive eTap shift logic Personalize for your hands and preferences using the Contact Point Adjustment and separate Reach Adjust with HydroHC brake platform Textured shift paddles and hoods for a comfortable feel Two ports for eTap Blips on each lever Stealth-a-majig Connected Titanium caliper bolts Bleeding Edge technology for easy and clean brake bleeds Item Specifications Adjustable Contact Point Yes Adjustable Reach Yes Brake Caliper Mount Post Mount Brake Lever Actuation Hydraulic Brake Lever Use Left Color Black Defined Color Black Drivetrain Speeds 11 Drivetrain Speeds 12 Front Der/Shifter Compatibility SRAM eTap AXS Hydraulic Fluid Type DOT Hydraulic Hose Length 950 Pad Compound Organic Rotor Included No SRAM RED eTap AXS HRD Shifter/Brake System Hydraulic Brake/Shift Lever, Drop Bar UPC: 710845884788

by SRAM

—$385.42

The Shimano 105 ST-R7170 Di2 Shift/Brake lever features Di2 electronic shifting for precise, intuitive gear changes to even more riders. The 105 BR-R7170 caliper features the Shimano Flat Mount System and its low-profile design that is ideal for road bikes. Reach adjustment and customized button functions allow you to dial in your ideal ergonomics Creates a clean cockpit with wireless connection and enhances the aesthetic of your bike while keeping shifting lightning fast Easily change button function with the E-TUBE app Includes 2 x CR1632 batteries 10% wider pad clearance decreases the chance of disc brake rotor rub Maintenance-friendly one way bleeding process Includes L03A Resin pads with finned alloy backplate Item Specifications Adjustable Reach Yes Brake Caliper Mount Flat Mount Brake Lever Actuation Hydraulic Brake Lever Use Left Brake Type Disc Color Black Defined Color Black Double or Triple Double Drivetrain Speeds 12 Front Der/Shifter Compatibility Shimano Road Di2 Hydraulic Fluid Type Mineral Oil Hydraulic Hose Length 1000 Includes Brake Disc keyword search 105 keyword search Di2 Pad Compound Resin Rotor Included No Shimano 105 ST-R7170 Di2 Shift/Brake Lever with BR-R7170 Disc Brake Caliper Hydraulic Brake/Shift Lever, Drop Bar UPC: 192790234823

by Shimano

—$580

Featuring Servo Wave Action brake technology, the Shimano Dura-Ace ST-R9270 brake lever delivers modulation and control like never before. Wireless shifting keeps your bike looking clean while offering the fastest, most precise gear changes available. All of this resides in a dual control lever that employs the most advanced materials to offer lightweight and refined ergonomics that provide comfort and control for the most demanding conditions. The wireless connection provides a clean cockpit, enhancing the aesthetic of your bike while keeping shifting lightning fast 1.5 to 2 years of battery life with easy-to-change CR1632 shifter batteries Unparalleled ergonomics engineering refined with pro rider feedback Raised hood peak improves ergonomics, while a longer hood body increases hand support Compatible with satellite shifters Servo-Wave technology optimizes brake control Lighter, smoother lever action Enhanced modulation thanks to an expanded braking control area Carbon fiber brake lever and titanium hardware Item Specifications Adjustable Reach Yes Brake Lever Actuation Hydraulic Brake Lever Use Left Color Black Defined Color Black Double or Triple Double Drivetrain Speeds 12 Front Der/Shifter Compatibility Shimano Road Di2 Hydraulic Fluid Type Mineral Oil Rotor Included No Shimano Dura-Ace ST-R9270 Di2 12-Speed Hydraulic Brake/Shift Lever Hydraulic Brake/Shift Lever, Drop Bar UPC: 192790240695

by Shimano

—$383.56

Shimano's Ultegra ST-R8170 brake levers bring enhanced modulation and control to every ride by employing Shimano's proven SERVO-WAVE technology. The Di2 platform untethers the shifters while delivering fast and reliable wireless shifting. Your time on the bike is precious, let Shimano make it even better. The wireless connection provides a clean cockpit, enhancing the aerodynamic effect and easy maintenance Unparalleled ergonomics engineering refined with feedback from professional riders Raised hood peak improves ergonomics Brake control is optimized with light and smooth lever action Enhanced modulation thanks to an expanded braking control area Compatible with wireless or wired connection High electronic energy efficiency, with 1.5 to 2 years of battery life from CR1632 shifter batteries Can be used with additional satellite shifters Item Specifications Adjustable Reach Yes Brake Lever Actuation Hydraulic Brake Lever Use Right Color Black Defined Color Black Front Der/Shifter Compatibility Shimano Road Di2 Hydraulic Fluid Type Mineral Oil Rotor Included No Shimano Ultegra ST-R8170 Di2 12-Speed Hydraulic Brake/Shift Lever Hydraulic Brake/Shift Lever, Drop Bar UPC: 192790168401

by Shimano

—$383.56

Shimano's Ultegra ST-R8170 brake levers bring enhanced modulation and control to every ride by employing Shimano's proven SERVO-WAVE technology. The Di2 platform untethers the shifters while delivering fast and reliable wireless shifting. Your time on the bike is precious, let Shimano make it even better. The wireless connection provides a clean cockpit, enhancing the aerodynamic effect and easy maintenance Unparalleled ergonomics engineering refined with feedback from professional riders Raised hood peak improves ergonomics Brake control is optimized with light and smooth lever action Enhanced modulation thanks to an expanded braking control area Compatible with wireless or wired connection High electronic energy efficiency, with 1.5 to 2 years of battery life from CR1632 shifter batteries Can be used with additional satellite shifters Item Specifications Adjustable Reach Yes Brake Caliper Mount Flat Mount Brake Lever Actuation Hydraulic Brake Lever Use Left Color Black Defined Color Black Double or Triple Double Front Der/Shifter Compatibility Shimano Road Di2 Hydraulic Fluid Type Mineral Oil Rotor Included No Shimano Ultegra ST-R8170 Di2 12-Speed Hydraulic Brake/Shift Lever Hydraulic Brake/Shift Lever, Drop Bar UPC: 192790168425

by Shimano

—$430

The Shimano 12-speed Shimano GRX Di2 Dual Control Lever delivers fast, wireless shifting for gravel and mixed-terrain riding. The ergonomic lever features raised hoods, ribbed surface texture, and an anti-slip coating on the brake lever for increased security and control. The hood body bracket shape is newly optimized for seamless integration with flared handlebars while retaining the gravel-specific third button location. To complete the cockpit, RX825 levers are compatible with three satellite shifter options (sold separately) and features Shimano FRONT SHIFT NEXT functionality to maximize rider customization options. Provides a clean cockpit with fast and reliable wireless shifting Two easy-to-change CR1632 batteries are long-lasting with a 3-4 year life Better comfort and control with anti-slip coating on levers, raised hoods, textured surface, and optimization for use with flared handlebars Customizable shifting set-up features Shimano's FRONT SHIFT NEXT funcitionality allows the user to program a single button to control the front derailleur; Hit the shift button once and the Front Derailleur moves up, hit that same button again and it moves down FRONT SHIFT NEXT free s up a button on the bike for additional functionality Compatible with Shimano's SW-RS801-S/T/E satellite shifter (sold separately) Item Specifications Adjustable Contact Point Yes Adjustable Reach Yes Brake Lever Actuation Hydraulic Brake Lever Use Left Color Black Defined Color Black Double or Triple Double Drivetrain Speeds 12 Front Der/Shifter Compatibility Shimano Road Di2 Hydraulic Fluid Type Mineral Oil Includes Brake No Rotor Included No Shimano GRX ST-RX825 Di2 Shifter/Brake Lever Hydraulic Brake/Shift Lever, Drop Bar UPC: 192790639789

by Shimano

—$83

Replacement and supporting parts for the FOX Neo Wireless system. Lithium battery for FOX Neo system Approximate battery life of 30 to 40 hours Includes one Battery and one Battery Cover FOX Neo Wireless Battery and Charger Electronic Shifter Extra Part UPC: 821973479057

by FOX

—$51

Replacement and supporting parts for the FOX Neo Wireless system. Charging dock and cable for FOX Neo batteries Time for full charge is approximately 1.5 hours Single LED with multi-color indicator Includes Charging Dock, USB-A to USB-C cable, and Battery Block AC power adapter is not included FOX Neo Wireless Battery and Charger Electronic Shifter Extra Part UPC: 821973479064

by FOX

—$325

The Shimano 105 ST-R7170 Di2 Shift/Brake lever features Di2 electronic shifting for precise, intuitive gear changes to even more riders. Reach adjustment and customized button functions allow you to dial in your ideal ergonomics Creates a clean cockpit with wireless connection and enhances the aesthetic of your bike while keeping shifting lightning fast Easily change button function with the E-TUBE app Raised hood peak improves ergonomics, while a longer hood body increases hand support Includes 2 x CR1632 batteries Item Specifications Adjustable Reach Yes Brake Lever Actuation Hydraulic Brake Lever Use Right Brake Type Disc Color Black Hydraulic Fluid Type Mineral Oil Includes Brake No keyword search Di2 Rear Der/Shifter Compatibility Shimano Road Di2 Weight 212 Shimano 105 ST-R7170 Di2 Shift/Brake Lever Right Hydraulic Brake/Shift Lever, Drop Bar UPC: 192790234793

by Shimano

—$74.95

The MRP 1x V3 Alloy E-MTB Chainguide is perfect for E-MTB cross-country riders and racers wishing for more security out of their "narrow/wide" setups. Fits 53mm chain line and Shimano E8000/E7000 Steps motors mounted horizontal to 25 degrees For use with 34-38t chainrings Lightweight chain retention Mounting hardware included and install possible with just a single 4mm HEX wrench. Tracked and grooved upper guide and backplate increases stiffness Co-molded "HD2" upper guide with softer durometer interior for silent guidance Item Specifications Chainguide Mount Type Shimano Steps Defined Color Black Max Tooth (teeth) 38 MRP 1x V3 Alloy E-MTB Chainguides Chain Retention System UPC: 702430186490

by MRP

—$379

CeramicSpeed pulley wheels reduce friction, last 3-5 time longer than stock high-end pulleys, and are designed to work with less drag. Precision machined aluminum narrow-wide pulleys Hardened races Includes: (2) 14 tooth pulley wheels and CeramicSpeed Bearing Oil 15ml bottle Compatible with Shimano XT M-8100 series and Shimano XTR M-9100 series Compatible with the stock range of cassette sizes, up to a 51t cassette. Premium Grade 3 Silicon Nitride Ceramic balls Hand built in Denmark Item Specifications Drivetrain Speeds 12 Fits Brand Shimano CeramicSpeed Pulley Wheels Pulley Assembly EAN: 5711050072514

by CeramicSpeed

—$459

CeramicSpeed pulley wheels reduce friction, last 3-5 time longer than stock high-end pulleys, and are designed to work with less drag. Precision machined aluminum narrow-wide pulleys Coated races increase bearing service life by increasing hardness of race and reducing corrosion Includes: (2) 14 tooth pulley wheels and CeramicSpeed Bearing Oil 15ml bottle Compatible with Shimano XT M-8100 series and Shimano XTR M-9100 series Compatible with the stock range of cassette sizes, up to a 51t cassette CeramicSpeed products with coated bearings include a 6-year warranty Premium Grade 3 Silicon Nitride Ceramic balls Hand built in Denmark Item Specifications Drivetrain Speeds 12 Fits Brand Shimano CeramicSpeed Pulley Wheels Pulley Assembly EAN: 5711050072538

by CeramicSpeed

—$6.83

Shimano Miscellaneous Rear Derailleur Parts Fits Shimano RD-M6000 10-speed rear derailleurs For repairs on Shimano Rear Derailleur Shimano Rear Derailleur Parts Miscellaneous Rear Derailleur Part UPC: 689228869523

by Shimano

—$185

The Shimano 105 FD-R7150 Di2 front derailleur provides precise, coordinated front shifting. Features full- and semi-synchronized shifting functions that can be selected using the E-TUBE app. Digitally accurate electronic shifts and coordinated communication between shifter and derailleur Shift from the big to small chainrings, or vice versa, whenever you like while minimizing the risk of a dropped chain Powerful, accurate, smooth front shifting with the programmed chain guide control by automatic trim Shimano SYNCHRONIZED SHIFT for manual, full- and semi-synchronized shifting program Item Specifications Crank-FD Type Road Double Derailleur Capacity 16 Double or Triple Double Drivetrain Speeds 12 FD/Shifter Compatibility Shimano Road Double Front Der/Shifter Compatibility Shimano Road Di2 Front Derailleur Cable Pull Electronic Front Derailleur Clamp Braze-on Front Derailleur Style Topswing keyword search 105 Max Ring (teeth) 52 Weight 142 Shimano 105 FD-R7150 Di2 Front Derailleur Front Derailleur UPC: 192790234267

by Shimano

—$705

The XX Eagle T-Type AXS Wide left crankarm with Power Meter spindle utilizes SRAM's World stage proven XX crank arm with a subtly integrated power meter to record and deliver live, accurate power readings to your head unit. We achieve this by utilizing what SRAM calls "DUB-PWR" - a unique design that elegantly houses Quarq's reliable and accurate power measurement inside the DUB crank spindle itself. Measuring left-side power to calculate total watts, it's subtle, lightweight, compatible with any chainring setup, and boasts unbeatable battery life. It is also compatible with the Flight Attendant system, allowing for total connectivity between all AXS enabled components. No-compromise, no-fuss data delivery giving you an edge over the competition. Innovative "DUB-PWR" design allows for lightweight, subtle Quarq power integration Compatible with RockShox Flight Attendant +/-3% accuracy means you'll always know your true watts output Long battery life provides 400+ hours of usage Waterproof (IPX7 waterproof to 1 meter for 30 minutes Right arm, Bottom bracket, Chainring and Spider NOT included Item Specifications Color Black Length 165 Spindle Interface Type SRAM DUB SRAM XX Eagle T-Type AXS Wide Left Crank Arm with Power Meter Spindle Left Crank Arm UPC: 710845886263

by SRAM

—$930

The Shimano Dura-Ace RD-R9250 rear derailleur integrates the system charging port and a wireless connectivity unit all while delivering super fast, precise shifting worthy of any podium. A single cage length shifts cassettes from 11-28 to 11-34, offering exceptional versatility. Ultra-fast rear Di2 shifting Compact design includes an integrated wireless unit, charger, switch Wider range capacity Max. low sprocket: 34t CFRP rear derailleur plate LED status indicator Battery indicator, pairing, adjust mode etc. Item Specifications Cage Length Medium Chain Wrap Capacity (teeth) 37 Color Black Drivetrain Speeds 12 Largest Cog 34 Rear Der/Shifter Compatibility Shimano Road Di2 Rear Derailleur Mount Type 10x1 Standard Rear Derailleur Mount Type Shimano Rear Direct Mount Shimano Dura-Ace RD-R9250 Di2 12-Speed Rear Derailleur Rear Derailleur UPC: 192790240954

by Shimano

—$269

Prestacycle UniBlock Cassettes are a single-piece unit exquisitely machined from a solid block of cold-forged Chrome Molybdenum alloy steel, then heat-treated, tumble-finished and electroplated for added durability and low-friction operation. The 2 largest cogs on the 11-40 and 11-42 HG11 cassettes are crafted with one-piece of high quality 7075 aluminum. 2 largest cogs are crafted with one-piece of premium 7075 aluminum Red aluminum locknut included (For HG11 freehub only) Use on HG10 freehub requires Prestacycle HG10 lockring (Sold Separately) Single block design allows Prestacycle to remove more unnecessary material, making cassettes lightweight and easier to clean Shifting ramps and profiled teeth provide smooth and consistent shifts Honeycomb design allows for maximum material removal while maintaining strength Designed to last longer than standard steel cassettes Item Specifications Cassette Body Type Shimano HG 11/12-Speed Road Cogs 11-13-15-17-19-21-24-28-32-36-40 Color Silver Defined Color Silver Drivetrain Speeds 11 Range 11-40 Weight 317 Prestacycle UniBlock Cassette Cassettes UPC: 689466931785

by Prestacycle

—$93.50

The KMC e10 eBike Chain is designed with extra strength and durability to support the demands of eBike systems. Specifically designed with high tensile strength in order to withstand the high torque of eBike motors Double X Bridge Construction increases shifting precision and shifting speed High pin power riveting adds extra strength and durability Inner and outer plate chamfering is designed to engage with chainrings and cassettes quickly and provide smooth shifting Compatible with Shimano, SRAM, and Campagnolo drivetrain systems Item Specifications Chain Connection Type Single Use Master Link Color Silver Defined Color Silver Designed for ebike Yes Drivetrain Speeds 10 Half Link Chain No Links 156 KMC e10 eBike Chain Chains UPC: 766759710569

by KMC

—$154

KMC e11 EPT eBike chains provide high performance and durability to support the demands and use of eBike systems. Premium anti-rust coating technology enables EPT (Eco ProTeQ) chains to conquer the harshest weather and road conditions. Triple X-Durability provides extended chain life Anti-Rust EPT (EcoProTeQ) coating offers ultimate protection for any condition Authenicated eco-friendly production Specifically designed with high tensile strength in order to withstand the high torque of eBike motors Double X Bridge Construction increases shifting precision and shifting speed High pin power riveting adds extra strength and durability Inner and outer plate chamfering is designed to engage with chainrings and cassettes quickly and provide smooth shifting Compatible with Shimano, SRAM, and Campagnolo drivetrain systems Item Specifications Chain Connection Type Single Use Master Link Color Gray Defined Color Gray Designed for ebike Yes Drivetrain Speeds 11 Half Link Chain No Links 186 KMC e11 EPT eBike Chain Chains UPC: 766759711122

by KMC

—$72.89

The SunRace M993 9-speed cassette offers a wide ratio for MTB and features a light weight design and ED black finish for added durability. Light weight design uses a 7075 aluminum large cog Aluminum spider, lockring and spacers provide strength and weight savings ED Black finish for durability and enhanced aesthetics Fits HG drivers Item Specifications Cassette Body Type Shimano HG Cogs 11-13-15-18-22-28-34-42-50 Color Black Defined Color Black Drivetrain Speeds 9 Range 11-50 Weight 542 SunRace M993 9-Speed Cassette Cassettes EAN: 4710944264197

by SunRace

—$185

Due to its unique optimization treatment, CeramicSpeed's Ultrafast Racing Chain saves you watts and improves your performance with free speed and unparalleled low friction. Our ultrafast racing chains are carefully selected from high quality suppliers and optimized by hand in Denmark. Included Quick Link can be installed and removed up to 5 times This ultrafast Racing Track Chain will boost the efficiency of your entire drivetrain CeramicSpeed UFO Racing Chains can save you between 2 5 watts on a distance of 650 km/400 miles Pre-treated with CeramicSpeed's UFO coating CeramicSpeed recommends applying UFO Drip after 650km to maintain your peak chain optimization over the life of the chain (Sold Separately) Item Specifications Chain Connection Type Reusable Master Link Color Silver Defined Color Silver Drivetrain Speeds 11 Half Link Chain No Links 116 Weight 246 CeramicSpeed UFO Factory Optimized Chain Chains EAN: 5711050115792

by CeramicSpeed

—$185

Due to its unique optimization treatment, CeramicSpeed's Ultrafast Racing Chain saves you watts and improves your performance with free speed and unparalleled low friction. Our ultrafast racing chains are carefully selected from high quality suppliers and optimized by hand in Denmark. This ultrafast Racing Track Chain will boost the efficiency of your entire drivetrain CeramicSpeed UFO Racing Chains can save you between 2 5 watts on a distance of 650 km/400 miles Pre-treated with CeramicSpeed's UFO coating CeramicSpeed recommends applying UFO Drip after 650km to maintain your peak chain optimization over the life of the chain (Sold Separately) Item Specifications Chain Connection Type Single Use Master Link Color Silver Defined Color Silver Drivetrain Speeds 12 Half Link Chain No Links 116 Weight 270 CeramicSpeed UFO Factory Optimized Chain Chains EAN: 5711050115785

by CeramicSpeed

—$199

Due to its unique optimization treatment, CeramicSpeed's Ultrafast Racing Chain saves you watts and improves your performance with free speed and unparalleled low friction. Our ultrafast racing chains are carefully selected from high quality suppliers and optimized by hand in Denmark. This chain has been optimized for SRAM AXS Road 12-speed compatibility This ultrafast Racing Track Chain will boost the efficiency of your entire drivetrain CeramicSpeed UFO Racing Chains can save you between 2 5 watts on a distance of 650 km/400 miles Pre-treated with CeramicSpeed's UFO coating CeramicSpeed recommends applying UFO Drip after 650km to maintain your peak chain optimization over the life of the chain (Sold Separately) Item Specifications Chain Connection Type Reusable Master Link Color Silver Defined Color Silver Drivetrain Speeds 12 Half Link Chain No Links 120 Weight 266 CeramicSpeed UFO Factory Optimized Chain Chains EAN: 5711050115778

by CeramicSpeed

—$54.95

These Wolf Tooth aluminum single speed cogs feature extra tall teeth for reliable chain retention when using chain tensioners. Item weight: 19g Crafted with strong and lightweight premium 7075-T6 aluminum Optimized for use with 9,10,11 speed chains, but suitable for use with some 12-speed chains Reversible and 4.5mm wide at the base to help prevent cog from damaging your freehub body Fits Shimano Hyperglide style freehub splines Not compatible with Shimano Microspline or SRAM XD freehubs Not compatible with Campagnolo 13-speed chains Item Specifications Cassette Body Type Shimano HG Defined Color Orange Drivetrain Speeds Single Speed 3/32" Material Aluminum Tooth Count 18 Wolf Tooth Aluminum Single Speed Cog Driver and Single Cog UPC: 812719025065

by Wolf Tooth

—$54.95

These Wolf Tooth aluminum single speed cogs feature extra tall teeth for reliable chain retention when using chain tensioners. Item weight: 28g Crafted with strong and lightweight premium 7075-T6 aluminum Optimized for use with 9,10,11 speed chains, but suitable for use with some 12-speed chains Reversible and 4.5mm wide at the base to help prevent cog from damaging your freehub body Fits Shimano Hyperglide style freehub splines Not compatible with Shimano Microspline or SRAM XD freehubs Not compatible with Campagnolo 13-speed chains Item Specifications Cassette Body Type Shimano HG Defined Color Gold Drivetrain Speeds Single Speed 3/32" Material Aluminum Tooth Count 22 Wolf Tooth Aluminum Single Speed Cog Driver and Single Cog UPC: 812719026499

by Wolf Tooth

—$495

The SRAM RED AXS XG-1290 cassette is an integral part of the RED AXS drivetrain system. With a 10-tooth small cog and X-Range gearing, it progresses fluidly and quickly through a wide range of gears. Carefully chosen tooth jumps keep the rider in the right gear when you're out of the saddle on steep climbs and making fine changes to hold a wheel while approaching a sprint. These cassettes are designed specifically for wireless electronic shifting, and the one-piece design offers exceptional weight savings. The XG-1290 cassette is designed to operate with XDR driver bodies. More gradual gear progression between cogs (at least five one-tooth jumps) while still offering a wider range One-piece machined steel X-Dome design offers strength with weight savings 10-tooth start helps provide a wider gearing range Designed to work with an XDR driver body Item Specifications Cassette Body Type SRAM XDR Cogs 10-11-12-13-14-15-17-19-21-24-27-30 Color Rainbow Defined Color Multi-Color Drivetrain Speeds 12 keyword search AXS Range 10-30 SRAM RED AXS XG-1290 12-Speed Cassette Cassettes UPC: 710845910425

by SRAM

—$495

The SRAM RED AXS XG-1290 cassette is an integral part of the RED AXS drivetrain system. With a 10-tooth small cog and X-Range gearing, it progresses fluidly and quickly through a wide range of gears. Carefully chosen tooth jumps keep the rider in the right gear when you're out of the saddle on steep climbs and making fine changes to hold a wheel while approaching a sprint. These cassettes are designed specifically for wireless electronic shifting, and the one-piece design offers exceptional weight savings. The XG-1290 cassette is designed to operate with XDR driver bodies. More gradual gear progression between cogs (at least five one-tooth jumps) while still offering a wider range One-piece machined steel X-Dome design offers strength with weight savings 10-tooth start helps provide a wider gearing range Designed to work with an XDR driver body Item Specifications Cassette Body Type SRAM XDR Cogs 10-11-12-13-14-15-16-17-19-21-24-28 Color Rainbow Defined Color Multi-Color Drivetrain Speeds 12 keyword search AXS Range 10-28 SRAM RED AXS XG-1290 12-Speed Cassette Cassettes UPC: 710845910418

by SRAM

—$599

CeramicSpeed's OSPW RS for SRAM RED and Force AXS has been lifted with a distinctly modern and angular design. The updated design brings balance and refinement to the OSPW RS System allowing it to blend seamlessly into the contemporary design trends of bikes and groupsets - making up the whole of which the OSPW System is part. Innovative tech features of the OSPW RS meets consumer demands for a premium ride experience. The design for the OSPW RS isn't solely a visual update. The cage itself has been reinforced to offer new levels of strength and durability. The CeramicSpeed OSPW RS System continues the tradition of providing optimization and increased efficiency of the rear derailleur through its extremely low-friction bearings and unique overall design. Injection Molded Carbon Fiber reinforced PA cage offers new levels of strength and durability Anodized aluminum 5-spoke 15-tooth upper and 19-tooth lower pulley wheels are light weight and durable Grade 3 Silicon Nitride ball bearings are 400% smoother, 128% harder and 58% lighter than standard steel balls normally used in the bicycle industry 2 customizable spring tension settings for optimal setup Compatible with SRAM Red and SRAM Force AXS 12-speed rear derailleurs Item Specifications Defined Color Black Defined Color Red Drivetrain Speeds 12 Fits Brand SRAM Fits Model Force AXS Fits Model RED AXS Largest Cog 36 CeramicSpeed OSPW RS Pulley Wheel System for SRAM Red/Force AXS 12-Speed Cage Assembly EAN: 5711050126033

by CeramicSpeed

—$669

CeramicSpeed's OSPW RS Alpha System for SRAM RED and Force AXS has been lifted lifted into the future with a distinctly modern and angular design. The updated design brings balance and refinement to the OSPW System allowing it to blend seamlessly into the contemporary design trends of bikes and groupsets - making up the whole of which the OSPW System is part. Innovative tech features of the OSPW RS Alpha meets consumer demands for a premium ride experience. The design for the OSPW RS Alpha isn't solely a visual update. The cage itself has been reinforced to offer new levels of strength and durability. The CeramicSpeed OSPW RS Alpha System continues the tradition of providing optimization and increased efficiency of the rear derailleur through its extremely low-friction bearings and unique overall design. Injection Molded Carbon Fiber reinforced PA cage offers new levels of strength and durability Alpha disc pulleys are paired with a composite, narrow-wide tooth profile to help prevent debris from external objects getting stuck between the spokes The 15-tooth upper and 19-tooth lower Alpha pulley wheels feature ADR (Active Debris Remover) bearing protection that completely encloses the bearings Grade 3 Silicon Nitride ball bearings are 400% smoother, 128% harder and 58% lighter than standard steel balls normally used in the bicycle industry 2 customizable spring tension settings for optimal setup Compatible with SRAM Red and SRAM Force AXS 12-speed rear derailleurs Item Specifications Defined Color Black Drivetrain Speeds 12 Fits Brand SRAM Fits Model Force AXS Fits Model RED AXS Largest Cog 36 CeramicSpeed OSPW RS Alpha Pulley Wheel System for SRAM Red/Force AXS Cage Assembly EAN: 5711050126064

by CeramicSpeed

—$599

CeramicSpeed's OSPW RS for Shimano Road 105 R7150 has been lifted with a distinctly modern and angular design. The updated design brings balance and refinement to the OSPW RS System allowing it to blend seamlessly into the contemporary design trends of bikes and groupsets - making up the whole of which the OSPW System is part. Innovative tech features of the OSPW RS meets consumer demands for a premium ride experience. The design for the OSPW RS isn't solely a visual update. The cage itself has been reinforced to offer new levels of strength and durability. The CeramicSpeed OSPW RS System continues the tradition of providing optimization and increased efficiency of the rear derailleur through its extremely low-friction bearings and unique overall design. Injection Molded Carbon Fiber reinforced PA cage offers new levels of strength and durability Anodized aluminum 5-spoke 13-tooth upper and 19-tooth lower pulley wheels are light weight and durable Grade 3 Silicon Nitride ball bearings are 400% smoother, 128% harder and 58% lighter than standard steel balls normally used in the bicycle industry 4 customizable spring tension settings for optimal setup Compatible with Shimano 105 R7150 12-speed rear derailleurs Item Specifications Defined Color Black Drivetrain Speeds 12 Fits Brand Shimano Fits Model 105 R7150 Largest Cog 36 CeramicSpeed OSPW RS Pulley Wheel System for Shimano 105 7150 Cage Assembly EAN: 5711050125968

by CeramicSpeed

—$599

CeramicSpeed's OSPW RS System for Shimano Road Dura-Ace R9250 and Ultegra R8150 has been lifted with a distinctly modern and angular design. The updated design brings balance and refinement to the OSPW System allowing it to blend seamlessly into the contemporary design trends of bikes and groupsets - making up the whole of which the OSPW RS System is part. Innovative tech features of the OSPW RS meets consumer demands for a premium ride experience. The design for the OSPW RS isn't solely a visual update. The cage itself has been reinforced to offer new levels of strength and durability. The CeramicSpeed OSPW RS System continues the tradition of providing optimization and increased efficiency of the rear derailleur through its extremely low-friction bearings and unique overall design. Injection Molded Carbon Fiber reinforced PA cage offers new levels of strength and durability Anodized aluminum 5-spoke 13-tooth upper and 19-tooth lower pulley wheels are light weight and durable Grade 3 Silicon Nitride ball bearings are 400% smoother, 128% harder and 58% lighter than standard steel balls normally used in the bicycle industry 4 customizable spring tension settings for optimal setup Compatible with Shimano Road Dura-Ace R9250 and Ultegra R8150 12-speed rear derailleurs Item Specifications Defined Color Black Defined Color Red Drivetrain Speeds 12 Fits Brand Shimano Fits Model Dura-Ace R9250 Fits Model Ultegra 8151 Largest Cog 34 CeramicSpeed OSPW RS Pulley Wheel System for Shimano Dura-Ace 9250/Ultegra 8150 Cage Assembly EAN: 5711050125913

by CeramicSpeed

—$599

CeramicSpeed's OSPW RS for SRAM RED and Force AXS has been lifted with a distinctly modern and angular design. The updated design brings balance and refinement to the OSPW RS System allowing it to blend seamlessly into the contemporary design trends of bikes and groupsets - making up the whole of which the OSPW System is part. Innovative tech features of the OSPW RS meets consumer demands for a premium ride experience. The design for the OSPW RS isn't solely a visual update. The cage itself has been reinforced to offer new levels of strength and durability. The CeramicSpeed OSPW RS System continues the tradition of providing optimization and increased efficiency of the rear derailleur through its extremely low-friction bearings and unique overall design. Injection Molded Carbon Fiber reinforced PA cage offers new levels of strength and durability Anodized aluminum 5-spoke 15-tooth upper and 19-tooth lower pulley wheels are light weight and durable Grade 3 Silicon Nitride ball bearings are 400% smoother, 128% harder and 58% lighter than standard steel balls normally used in the bicycle industry 2 customizable spring tension settings for optimal setup Compatible with SRAM Red and SRAM Force AXS 12-speed rear derailleurs Item Specifications Defined Color Black Drivetrain Speeds 12 Fits Brand SRAM Fits Model Force AXS Fits Model RED AXS Largest Cog 36 CeramicSpeed OSPW RS Pulley Wheel System for SRAM Red/Force AXS 12-Speed Cage Assembly EAN: 5711050126026

by CeramicSpeed

—$669

CeramicSpeed's OSPW RS Alpha System for Shimano Road Dura-Ace R9250 and Ultegra R8150 have been lifted lifted into the future with a distinctly modern and angular design. The updated design brings balance and refinement to the OSPW System allowing it to blend seamlessly into the contemporary design trends of bikes and groupsets - making up the whole of which the OSPW RS Alpha System is part. Innovative tech features of the OSPW RS Alpha meets consumer demands for a premium ride experience. The design for the OSPW RS Alpha isn't solely a visual update. The cage itself has been reinforced to offer new levels of strength and durability. The CeramicSpeed OSPW RS Alpha System continues the tradition of providing optimization and increased efficiency of the rear derailleur through its extremely low-friction bearings and unique overall design. Injection Molded Carbon Fiber reinforced PA cage offers new levels of strength and durability Alpha disc pulleys are paired with a composite, narrow-wide tooth profile to help prevent debris from external objects getting stuck between the spokes The 13-tooth upper and 19-tooth lower Alpha pulley wheels feature ADR (Active Debris Remover) bearing protection that completely encloses the bearings Grade 3 Silicon Nitride ball bearings are 400% smoother, 128% harder and 58% lighter than standard steel balls normally used in the bicycle industry 4 customizable spring tension settings for optimal setup Compatible with Shimano Road Dura-Ace R9250 and Ultegra R8150 12-speed rear derailleurs Item Specifications Defined Color Black Drivetrain Speeds 12 Fits Brand Shimano Fits Model Dura-Ace R9250 Fits Model Ultegra 8150 Largest Cog 36 CeramicSpeed OSPW RS Alpha Pulley Wheel System for Shimano Dura-Ace 9250/Ultegra 8150 Cage Assembly EAN: 5711050125944

by CeramicSpeed

—$225

Shimano's GRX RX825 Di2 2x 12-Speed front derailleur delivers quick and precise front shifting even under heavy loads. Designed for a wider, 17t gear range, it utilizes a +2.5mm chainline for improved tire clearance. The FD-RX825 is compatible with Full, Semi-Synchronized shift modes as well as the new FRONT SHIFT NEXT function for greater rider customization. Wider tire clearance made possible by the +2.5mm chainline vs. conventional road front derailleurs Wider range front gear by utilizing a 17t front range FRONT SHIFT NEXT function for greater rider customization Conveniently compatible with Full, Semi-Synchronized shift modes Item Specifications Derailleur Capacity 17 Double or Triple Double Drivetrain Speeds 12 Front Der/Shifter Compatibility Shimano Road Di2 Front Derailleur Cable Pull Electronic Front Derailleur Clamp Braze-on Front Derailleur Style Traditional Max Ring (teeth) 48 Shimano GRX FD-RX825 Di2 Front Derailleur Front Derailleur UPC: 192790310640

by Shimano

—$470

With the fast and accurate Di2 shifting technology, the Shimano 12-speed Ultegra RD-R8150 rear derailleur is extremely versatile thanks to a single cage length option compatible with 11-28, 11-30, and 11-34 cassettes. Compact design includes an integrated wireless unit, charger, switch Wider range capacity Max. low sprocket 34t LED status indicator Battery indicator, pairing, adjust mode etc. Item Specifications Cage Length Medium Chain Wrap Capacity (teeth) 39 Color Black Drivetrain Speeds 12 Largest Cog 34 Rear Der/Shifter Compatibility Shimano Road Di2 Rear Derailleur Mount Type 10x1 Standard Rear Derailleur Mount Type Shimano Rear Direct Mount Shimano Ultegra RD-R8150 Di2 12-Speed Rear Derailleur Rear Derailleur UPC: 192790240961

by Shimano

—$11.65

Add color to your chainguide with Gnarwolf Chainguide replacement heads. These heads are compatible with all rev1 and rev2 Gnarwolf Chainguides. Compatible with Wolf Tooth GnarWolf Rev 1 and Rev 2 chainguides Glass-filled nylons heads are incredible durable and light weight Item Specifications Color Black Defined Color Black Wolf Tooth Gnarwolf Replacement Chainguide Head Chain Retention System Part UPC: 812719029292

by Wolf Tooth

—$130

With the REACT series, KMC has filled a gap in its lineup of drive solutions. Just like KMC chainrings and sprockets, REACT cassettes are precisely designed to match KMC chains. This perfect synergy reduces friction between individual components and enhances the lifespan of all drive components. Meticulously crafted ascent and descent ramps ensure precise chain guidance, improving shifting performance across the entire range. Made from high-strength steel, REACT cassettes are compatible with Shimano HG Lifting and lowering ramps provide improved shifting performance, overall component interaction efficiency and stability Unique lifting ramps design carries the chain smoothly upward on the cogs Distinctive lowering ramps adeptly align the chain quickly Cogs sizes are design to provide smoother shifting and precise chain indexing to suit all riders Optimized for use with KMC e9, X9, and X9 SL chains Item Specifications Cassette Body Type Shimano/SRAM 8, 9, 10 Speed Cassette Cogs 11-13-15-18-21-24-28-32-36 Color Black Defined Color Black Drivetrain Speeds 9 Range 11-36 KMC REACT 9-Speed HG Cassette Cassettes UPC: 766759000509

by KMC

—$130

With the REACT series, KMC has filled a gap in its lineup of drive solutions. Just like KMC chainrings and sprockets, REACT cassettes are precisely designed to match KMC chains. This perfect synergy reduces friction between individual components and enhances the lifespan of all drive components. Meticulously crafted ascent and descent ramps ensure precise chain guidance, improving shifting performance across the entire range. Made from high-strength steel, REACT cassettes are compatible with Shimano HG Lifting and lowering ramps provide improved shifting performance, overall component interaction efficiency and stability Unique lifting ramps design carries the chain smoothly upward on the cogs Distinctive lowering ramps adeptly align the chain quickly Cogs sizes are design to provide smoother shifting and precise chain indexing to suit all riders Optimized for use with KMC e8 and X8 chains Item Specifications Cassette Body Type Shimano/SRAM 8, 9, 10 Speed Cassette Cogs 11-13-15-18-21-24-28-32 Color Black Defined Color Black Drivetrain Speeds 8 Range 11-32 KMC REACT 8-Speed HG Cassette Cassettes UPC: 766759000486

by KMC

—$115

With the REACT series, KMC has filled a gap in its lineup of drive solutions. Just like KMC chainrings and sprockets, REACT cassettes are precisely designed to match KMC chains. This perfect synergy reduces friction between individual components and enhances the lifespan of all drive components. Meticulously crafted ascent and descent ramps ensure precise chain guidance, improving shifting performance across the entire range. Made from high-strength steel, REACT cassettes are compatible with Shimano HG Lifting and lowering ramps provide improved shifting performance, overall component interaction efficiency and stability Unique lifting ramps design carries the chain smoothly upward on the cogs Distinctive lowering ramps adeptly align the chain quickly Cogs sizes are design to provide smoother shifting and precise chain indexing to suit all riders Optimized for use with KMC e9, X9, and X9 SL chains Item Specifications Cassette Body Type Shimano/SRAM 8, 9, 10 Speed Cassette Cogs 11-13-15-17-19-21-24-28-32 Color Black Defined Color Black Drivetrain Speeds 9 Range 11-32 KMC REACT 9-Speed HG Cassette Cassettes UPC: 766759000493

by KMC

—$11.65

Add color to your chainguide with Gnarwolf Chainguide replacement heads. These heads are compatible with all rev1 and rev2 Gnarwolf Chainguides. Compatible with Wolf Tooth GnarWolf Rev 1 and Rev 2 chainguides Glass-filled nylons heads are incredible durable and light weight Item Specifications Color Orange Defined Color Orange Wolf Tooth Gnarwolf Replacement Chainguide Head Chain Retention System Part UPC: 812719029339

by Wolf Tooth

—$11.65

Add color to your chainguide with Gnarwolf Chainguide replacement heads. These heads are compatible with all rev1 and rev2 Gnarwolf Chainguides. Compatible with Wolf Tooth GnarWolf Rev 1 and Rev 2 chainguides Glass-filled nylons heads are incredible durable and light weight Item Specifications Color Purple Defined Color Purple Wolf Tooth Gnarwolf Replacement Chainguide Head Chain Retention System Part UPC: 812719029346

by Wolf Tooth

—$1,900

CeramicSpeed's OSPW RS for SRAM RED and Force AXS has been lifted with a distinctly modern and angular design. The updated design brings balance and refinement to the OSPW RS System allowing it to blend seamlessly into the contemporary design trends of bikes and groupsets - making up the whole of which the OSPW System is part. Innovative tech features of the OSPW RS meets consumer demands for a premium ride experience. The design for the OSPW RS isn't solely a visual update. The cage itself has been reinforced to offer new levels of strength and durability. The CeramicSpeed OSPW RS System continues the tradition of providing optimization and increased efficiency of the rear derailleur through its extremely low-friction bearings and unique overall design. Injection Molded Carbon Fiber reinforced PA cage offers new levels of strength and durability Premium 3D printed hollow titanium 15-tooth upper and 19-tooth lower pulley wheels are exceptionally light weight and incredibly durable This OSPW System has handbuilt CeramicSpeed coated bearings installed in each pulley Grade 3 Silicon Nitride ball bearings are 400% smoother, 128% harder and 58% lighter than standard steel balls normally used in the bicycle industry 2 customizable spring tension settings for optimal setup Compatible with SRAM Red and SRAM Force AXS 12-speed rear derailleurs Note; this OSPW system is not compatible with the SRAM RED, Force, or Rival XPLR eTap AXS rear derailleurs Item Specifications Defined Color Black Defined Color Silver Drivetrain Speeds 12 Fits Brand SRAM Fits Model Force AXS Fits Model RED AXS Largest Cog 36 CeramicSpeed OSPW RS Pulley Wheel System for SRAM Red/Force AXS 12-Speed Cage Assembly

by CeramicSpeed

—$1,900

CeramicSpeed's OSPW RS System for Shimano Road Dura-Ace R9250 and Ultegra R8150 has been lifted with a distinctly modern and angular design. The updated design brings balance and refinement to the OSPW System allowing it to blend seamlessly into the contemporary design trends of bikes and groupsets - making up the whole of which the OSPW RS System is part. Innovative tech features of the OSPW RS meets consumer demands for a premium ride experience. The design for the OSPW RS isn't solely a visual update. The cage itself has been reinforced to offer new levels of strength and durability. The CeramicSpeed OSPW RS System continues the tradition of providing optimization and increased efficiency of the rear derailleur through its extremely low-friction bearings and unique overall design. Injection Molded Carbon Fiber reinforced PA cage offers new levels of strength and durability Premium 3D printed hollow titanium 13-tooth upper and 19-tooth lower pulley wheels are exceptionally light weight and incredibly durable This OSPW System has handbuilt CeramicSpeed coated bearings installed in each pulley Grade 3 Silicon Nitride ball bearings are 400% smoother, 128% harder and 58% lighter than standard steel balls normally used in the bicycle industry 4 customizable spring tension settings for optimal setup Compatible with Shimano Road Dura-Ace R9250 and Ultegra R8150 12-speed rear derailleurs Item Specifications Defined Color Black Defined Color Silver Drivetrain Speeds 12 Fits Brand Shimano Fits Model Dura-Ace R9250 Fits Model Ultegra 8152 Largest Cog 34 CeramicSpeed OSPW RS Pulley Wheel System for Shimano Dura-Ace 9250/Ultegra 8150 Cage Assembly

by CeramicSpeed

—$599

This OSPW X system for Shimano GRX RX820 2x12-speed rear derailleurs is built for gravel and cross disciplines and meets the needs for durability, low friction and longevity. The four spring tension settings allow customised setup based on ride conditions, and the handbuilt OSPW System offers custom molded carbon fiber cage for lightweight and durability. CeramicSpeed OSPW Systems reduces friction 35-40% over stock pulley configuration. Robust cage crafted from polyamide and carbon fiber for durability and light weight Anodized aluminum 5-spoke 13-tooth upper and 19-tooth lower pulley wheels are light weight and durable Grade 3 Silicon Nitride ball bearings are 400% smoother, 128% harder and 58% lighter than standard steel balls normally used in the bicycle industry 4 customizable spring tension settings for optimal setup Compatible with Shimano GRX RX820 2x 12-speed drivetrain only Item Specifications Defined Color Black Drivetrain Speeds 12 Fits Brand Shimano Fits Model GRX RX820 2x12 Largest Cog 36 CeramicSpeed OSPW X Pulley Wheel System for Shimano GRX RX820 2x12-Speed Cage Assembly EAN: 5711050128518

by CeramicSpeed

—$699

This OSPW X system for Shimano GRX RX820 2x12-speed rear derailleurs is built for gravel and cross disciplines and meets the needs for durability, low friction and longevity. The four spring tension settings allow customised setup based on ride conditions, and the handbuilt OSPW System offers custom molded carbon fiber cage for lightweight and durability. CeramicSpeed OSPW Systems reduces friction 35-40% over stock pulley configuration. Robust cage crafted from polyamide and carbon fiber for durability and light weight Anodized aluminum 5-spoke 13-tooth upper and 19-tooth lower pulley wheels are light weight and durable This OSPW X System has handbuilt CeramicSpeed coated bearings installed in each pulley Grade 3 Silicon Nitride ball bearings are 400% smoother, 128% harder and 58% lighter than standard steel balls normally used in the bicycle industry 4 customizable spring tension settings for optimal setup Compatible with Shimano GRX RX820 2x 12-speed drivetrain only Item Specifications Defined Color Black Drivetrain Speeds 12 Fits Brand Shimano Fits Model GRX RX820 2x12 Largest Cog 36 CeramicSpeed OSPW X Pulley Wheel System for Shimano GRX RX820 2x12-Speed Cage Assembly EAN: 5711050128556

by CeramicSpeed

—$769

The CeramicSpeed OSPW Aero ALPHA system for Shimano 9250/8150 derailleurs updates the fastest proven aero derailleur cage to include CeramicSpeed's patent pending ADR bearing protection and quiet performing ALPHA disc with composite tooth profile pulleys. Furthermore, a speed defying pinstripe graphic has been added for a splash of visual motion. Injection Molded Carbon Fiber reinforced PA Aero cage reduces aerodynamic drag on the rear derailleur by up to 60% and offers new levels of strength and durability Alpha disc pulleys are paired with a composite, narrow-wide tooth profile to help prevent debris from external objects getting stuck The 13-tooth upper and 19-tooth lower Alpha pulley wheels feature ADR bearing protection that completely encloses the bearings This OSPW System has handbuilt CeramicSpeed coated bearings installed in each pulley Grade 3 Silicon Nitride ball bearings are 400% smoother, 128% harder and 58% lighter than standard steel balls normally used in the bicycle industry 4 customizable spring tension settings for optimal setup Compatible with Shimano Road Dura-Ace R9250 and Ultegra R8150 12-speed rear derailleurs It is not possible to add these pulleys to a previous generation OSPW Aero cage Item Specifications Defined Color Black Drivetrain Speeds 12 Fits Brand Shimano Fits Model Dura-Ace R9250 Fits Model Ultegra 8150 Largest Cog 34 CeramicSpeed OSPW Aero Alpha Pulley Wheel System for Shimano 9250 and 8150 Cage Assembly

by CeramicSpeed