Headsets / Parts

—$300

The DropSet 3 Headset features the GripLock bearing cap that preloads the headset independently of clamping onto the steerer, so it retains preload far better than other headset designs. The DropSet 3 is impervious to the ill effects of load spikes from large hits and heavy braking. This means smoother steering, no more creaking, and a longer lasting headset. GripLock design also takes the guesswork out of preloading a headset, because the bearing preload force is independent of the clamping force DropSet 3 headsets can be preloaded to a torque spec 41mm 45x45 upper bearing / 52mm 36x45 lower bearing DropSet 3 headsets with their legendary made-in-house bearings are engineered, manufactured and assembled in Portland, Oregon USA Includes baseplate and 36 degree integrated crown races Features the King Lifetime Warranty Item Specifications Bearing Type Cartridge Color Matte Jade Crown Race 40 Defined Color Green S.H.I.S Lower IS52 S.H.I.S Upper IS41 S.H.I.S. Stem Clamp Diameter 28.6 Threadless Chris King DropSet 3 Headset Headsets UPC: 841529274691 MPN: CBG2C

by Chris King

—$180

The Dropset 6 integrated headset features the patented GripLock bearing cap, which preloads the headset independently of clamping onto the steerer, so it retains preload far better than the competition and is impervious to the ill effects of load spikes from large hits and heavy braking. This means smoother steering, no more creaking, and a longer lasting headset. Engineered, manufactured and assembled in Portland, Oregon USA, backed by the King Lifetime Warranty Legendary made-in-house bearings GripLock retention design for dependable headset adjustment Compatible with included baseplate and 45 degree integrated crown races 41mm 45x45 upper and lower bearings Item Specifications Bearing Type Cartridge Color Matte Jade Crown Race 30 Defined Color Green S.H.I.S Lower IS41 S.H.I.S Upper IS41 S.H.I.S. Stem Clamp Diameter 28.6 Threadless Chris King Dropset 6 Headset Headsets UPC: 841529274769 MPN: CEG2

by Chris King

—$180

The Dropset 5 integrated headset features the patented GripLock bearing cap, which preloads the headset independently of clamping onto the steerer, so it retains preload far better than the competition and is impervious to the ill effects of load spikes from large hits and heavy braking. This means smoother steering, no more creaking, and a longer lasting headset. Engineered, manufactured and assembled in Portland, Oregon USA, backed by the King Lifetime Warranty Legendary made-in-house bearings GripLock retention design for dependable headset adjustment Compatible with included baseplate and 45 degree integrated crown races 42mm 45x45 upper bearing for 6.85-7.05mm bearing ream depth 52mm 45x45 lower bearing Item Specifications Bearing Type Cartridge Color Matte Jade Crown Race 30 Defined Color Green S.H.I.S Lower IS52 S.H.I.S Upper IS42 S.H.I.S. Stem Clamp Diameter 28.6 Threadless Chris King Dropset 5 Headset Headsets UPC: 841529274790 MPN: CDG2

by Chris King

—$49.99

5DEV Titanium Headset Caps and Covers offer precision, strength, forever fit. CNC-machined from Ti-6Al-4V for ultra-high durability, corrosion resistance, and clean, low-stack integration. These 5DEV titanium caps and covers hold torque, stay true, and keep your cockpit quiet in any weather. Add grams where it matters least, gain decades of service, and finish your build with bike jewelry that rides as good as it looks. Fits bearings with an OD of 41.80mm or less Adds just 0.75mm stack height to your front end, this is the closest you'll get to running it without a headset top cover at all CNC-machined titanium offers corrosion resistance for year-round riding Precision machining keep your headset tight, clean, and protected Designed for use with 1-1/8" steerer tubes Item Specifications Color Raw Titanium Material Titanium S.H.I.S. Stem Clamp Diameter 28.6 5DEV Titanium Headset Covers Headset Small Part UPC: 850076919429 MPN: THS-SC-1-51

by 5DEV

—$94.95

MK0 items represent a refined approach to component engineering, with special consultation with Team Visma Lease A Bike. Each top cap spends 4x more time in Wolf Tooth's CNC lathe, before undergoing thorough QC inspection, and anodizing in the new Shadow Gray color. The extra machining and new profile of the MK0 upper headsets have meaningful gains and result in a 44% reduction in aluminum weight without compromising strength and durability. These super slammed 4mm stack upper headsets feature extraordinary sealing to prevent water intrusion and provide protection for the premium Enduro stainless steel sealed bearings. IS42 is not compatible with Specialized mountain bikes or bikes using the Campagnolo Hiddenset standard MK0 IS upper headset feature a super low 4mm of stack made possible by the extra machining and new profile that result in a 44% reduction in aluminum weight without compromising strength and durability O-ring seal prevents water intrusion around steerer tube to eliminate corrosion that results in longevity of the headset Custom-molded upper lip seal provides additional protection for the premium Enduro stainless steel upper 36 x 45 degree beveled angle bearing Ships with a star nut which can only be used on forks with steel or aluminum steerer tubes (Carbon steerer tubes require a compression plug and are sold separately) MK0 IS upper headset includes stem cap, custom hollow bolt, starnut and Enduro stainless steel sealed bearings Item Specifications Bearing Type Cartridge Color Shadow Gray Defined Color List Gray Material Aluminum Material Stainless Steel S.H.I.S Upper IS42 S.H.I.S. Stem Clamp Diameter 28.6 Stack Height 4 Upper Stack Height 4 Weight 30 Wolf Tooth MK0 IS Upper Headset Headset Upper UPC: 810159403573 MPN: IS42U-5MM-MK0-SGR

by Wolf Tooth

—$25.46

The MRP Riser Crown Race offers 5mm (LowRise) or 10mm (HighRise) of added height compared to a traditional crown race. It can be used to gain downtube clearance for fork crowns, the Noken air-spring upgrade, or to adjust the geometry of your bike. The Riser Crown Race is compatible with any 1.5" headset using 36/45 bearings, giving you the flexibility to fine-tune your setup with ease. LowRise Riser Crown Race typically reduces head angle by approximately 0.25 degrees though the exact effect will vary based on your bike's geometry Compatible with 36/45 degree headset bearings 1.5" I.D with 36 degree mating surface (Cane Creek, FSA, Chris King, etc.) Aluminum LowRise Riser crown race weighs 14g Item Specifications Crown Race 40 MRP Riser Crown Race Crown Race UPC: 702430223867 MPN: MR-20-1-300

by MRP

—$120

The Chris King InSet lower cup and bearing combines seamless design and legendary quality in an external lower cup that is built with precision and equipped with their exclusive built-in-house bearings. External lower cup is built with precision using premium aluminum Legendary made-in-house bearings provide uncompromising smoothness and longevity Engineered, manufactured and assembled in Portland, OR Item Specifications Bearing Type Cartridge Color Matte Gold Material Aluminum S.H.I.S Lower EC44 Chris King InSet Headset Lower Cup and Bearing Headset Lower UPC: 841529278910 MPN: PHS801Y2

by Chris King

—$120

The Chris King InSet lower cup and bearing combines seamless design and legendary quality in an external lower cup that is built with precision and equipped with their exclusive built-in-house bearings. External lower cup is built with precision using premium aluminum Legendary made-in-house bearings provide uncompromising smoothness and longevity Engineered, manufactured and assembled in Portland, OR Item Specifications Bearing Type Cartridge Color Matte Gold Material Aluminum Chris King InSet Headset Lower Cup and Bearing Headset Lower UPC: 841529278866 MPN: PHS623Y2

by Chris King

—$33

The Chris King NoThreadset bearing cap features their patented GripLock (US Patent 8662517) retention design for exclusively reliable headset adjustment. For use with Chris King NoThreadset 1-1/8" headsets Patented GripLock (US Patent 8662517) retention design for exclusively reliable headset adjustment Anodized finish provides added protection and great looks Item Specifications Color Matte Gold Material Aluminum Chris King NoThreadset Headset Bearing Cap Headset Small Part UPC: 841529278880 MPN: PHS710Y2

by Chris King

—$46

The Chris King InSet bearing cap features their patented GripLock (US Patent 8662517) retention design for exclusively reliable headset adjustment. For use with Chris King InSet 4 and 5 headsets ONLY Patented GripLock (US Patent 8662517) retention design for exclusively reliable headset adjustment Anodized finish provides added protection and great looks Item Specifications Color Matte Gold Material Aluminum Chris King InSet Headset Bearing Cap Headset Small Part UPC: 841529278903 MPN: PHS720Y2

by Chris King

—$46

The Chris King DropSet bearing cap features their patented GripLock (US Patent 8662517) retention design for exclusively reliable headset adjustment. For use with Chris King DropSet 5 headset ONLY Patented GripLock (US Patent 8662517) retention design for exclusively reliable headset adjustment Anodized finish provides added protection and great looks Chris King DropSet Headset Bearing Cap and GripLock Assembly Headset Small Part UPC: 841529278941 MPN: PHS819Y2

by Chris King

—$139

This Enduro Integrated/Drop-In headset for 1-1/8" x 1-1/2" tapered fork steerer tubes features Angular Contact Bearings with chamfers, premium 440C balls and races, and 90% fill with high-pressure waterproof grease. This top quality Drop-In headset is built for long-lasting durability thanks in part to the high performance bearings that are guaranteed for as long as you own the bike. This IS42/IS52 Integrated/Drop-In headset fits bike head tubes with 42mm top IDs and 52mm bottom IDs, bearings with 45 /45 chamfers and tapered (1-!/8" x 1-1/2 ) steerer forks Features top-quality 440C balls and races, dual-lip seals top and bottom, 90% fill with high-pressure waterproof grease, and are guaranteed for as long as you own the bike Upper ACB 4545 1125 SS (also known as MR042, 870E, MR121, MR070, MR084, MR116, TH-870E, and MH-P08) with 30.5mm ID, 41.8mm OD, and a width of 6.5mm Lower ACB 4545 150 SS (also known as HSS011, BAA0695K, TH-070, MR-128, and MH-P16) with 40mm ID, 52mm OD and a width of 7mm Kit includes upper bearing cap, hidden bolt topcap preload adjuster, with 45 crown race and compression ring Item Specifications Bearing Type ACB Color Black Crown Race 40 Defined Color Black S.H.I.S Lower IS52 S.H.I.S Upper IS42 S.H.I.S. Stem Clamp Diameter 28.6 Threadless Enduro Drop-In Headset Kit Headsets UPC: 195947058358 MPN: HDK-0012

by Enduro

—$139

This Enduro Integrated/Drop-In headset for 1-1/8" x 1-1/2" tapered fork steerer tubes features Angular Contact Bearings with chamfers, premium 440C balls and races, and 90% fill with high-pressure waterproof grease. This top quality Drop-In headset is built for long-lasting durability thanks in part to the high performance bearings that are guaranteed for as long as you own the bike. This IS42/IS52 Integrated/Drop-in headset fits bike head tubes with 42mm top IDs and 52mm bottom IDs, bearings with 36 /45 chamfers, and tapered (1-1/8" x 1-1/2 ) steerer forks Features top-quality 440C balls and races, dual-lip seals top and bottom, 90% fill with high-pressure waterproof grease, and are guaranteed for as long as you own the bike Upper 1-1/8 bearing ACB 3645 1125 SS (also known as IS42, ACB30418K, and MH-P03K) with 30.5mm ID, 41.8mm OD that features a step down to just under 41mm at the top of the outer race, and a width of 6.3mm Lower 1-1/2" bearing ACB 6808 SS (also known as HD 1404K, BAA0006K, MR-127, MR-196, MH-P25K, BAA1132, and TH MR019) with a 40mm ID, 52mm OD and a width of 6.5mm Kit includes upper bearing cap, hidden bolt topcap preload adjuster, with 36 crown race and compression ring Item Specifications Bearing Type ACB Color Black Crown Race 40 Defined Color Black S.H.I.S Lower IS52 S.H.I.S Upper IS42 S.H.I.S. Stem Clamp Diameter 28.6 Threadless Enduro Drop-In Headset Kit Headsets UPC: 195947058341 MPN: HDK-0011

by Enduro

—$45

This unique bearing kit eliminates the external headset bearing cup and provides a simple low profile solution where the bearing itself presses directly into the head tube. The kit includes fork crown race, upper split-ring and cap. Bearings feature anti-corrosion Black Oxide/Magnetite treated 52100 High-Carbon Chromium alloy races paired with large grade 10 Balls Dual-lip labyrinth (LLB) seals ride in a micro-groove for ultimate protection against sweat and the elements Contain the 90% fill Mobil XHP 222 high pressure water proof synthetic grease, so you never have to guess if there is grease inside Black Oxide treatment provides an extra level of corrosion resistance and extended worry-free performance Enduro Angular contact bearings are designed so that the balls are engaged to spread the force over a larger surface area for minimizing wear Item Specifications Bearing Type ACB Color Black Crown Race 30 Defined Color Black S.H.I.S Lower EC34 S.H.I.S Upper EC34 S.H.I.S. Stem Clamp Diameter 28.6 Threadless Enduro External Bearing Kit Headsets UPC: 811780027558 MPN: HDK-0007

by Enduro

—$69

This unique bearing kit eliminates the external headset bearing cup and provides a simple low profile solution where the bearing itself presses directly into the head tube. The kit includes fork crown race, upper split-ring and cap. Stainless steel balls and races provide long life and are an excellent alternative for use in wet conditions, if you wash your bike often, or where sweat can be a problem Dual-lip labyrinth (LLB) seals ride in a micro-groove for ultimate protection against sweat and the elements Contain the 90% fill CRC Marine high pressure water proof grease, so you never have to guess if there is grease inside Enduro Angular contact bearings are designed so that the balls are engaged to spread the force over a larger surface area for minimizing wear Item Specifications Bearing Type ACB Color Stainless Steel Crown Race 30 Defined Color Silver Material Stainless Steel S.H.I.S Lower EC34 S.H.I.S Upper EC34 S.H.I.S. Stem Clamp Diameter 28.6 Threadless Enduro External Bearing Kit Headsets UPC: 811780027565 MPN: HDK-0008

by Enduro

—$139

The Maxhit Zero-Stack/External Cup headset is a unique patented Enduro innovation; where the bearing is actually the component. Maxhit headset bearings are designed to press directly into your bicycles headtube, eliminating the need for the aluminum cups that are traditionally used to carry the bearings. This unique design frees-up space for much larger balls that more than double the load capacity compared to standard headset bearings. The kit includes fork crown race and upper split-ring, upper bearing cap, and a hidden topcap preload adjuster. Maxhit headset bearings are designed to press directly into your bicycles headtube, eliminating the need for the aluminum cups that are traditionally used to carry the bearings For 1-1/8" x 1-1/2" tapered fork steerer tubes (44mm Upper / 56mm Lower ID head tube framesets Machined entirely from 440C stainless steel and guaranteed for life, Maxhit headset bearings include proprietary double-lip labyrinth seals and Enduros extra high pressure waterproof grease to ensure a lifetime of trouble-free, heavy duty performance The headset's bearings begin with chromium steel, Black Oxide finish A/C type and then offer full 440C stainless steel at the top Engineered with the largest balls possible and dual lip seals riding in a micro-groove for ultimate protection against sweat and the elements Enduro Angular contact bearings are designed so that the balls are engaged to spread the force over a larger surface area for minimizing wear Item Specifications Bearing Type ACB Color Silver Crown Race 40 Defined Color Silver S.H.I.S Lower EC44 S.H.I.S Upper ZS44 S.H.I.S. Stem Clamp Diameter 28.6 Threadless Enduro Maxhit Zero-Stack/External Cup Headset Kit Headsets UPC: 195947061365 MPN: HDK-0022-S

by Enduro

—$149.99

The Cane Creek HCR (Hidden Cable Routing) is a better headset and stem system for road and gravel bikes that use internal headset cable routing. HCR hides the brake hoses from view without fully enclosing them in the stem or spacers, allowing for easier installation, maintenance, and travel. With its easy-to-use and fully sealed design, HCR delivers the clean look of internal routing without the downsides often associated with it. Machined 6061-T6 aluminum cups are lightweight and rugged Optimized for wireless drivetrains, the HCR Headset is compatible with third-party stems using included conversion spacer Premium Cane Creek Hellbender stainless steel bearings feature ultra-smooth movement and exceptional durability for a long service life Features an interlocking cable seal, steerer tube seal, bearing lip seal and, dual-lip crown race seal keep the headset protected from outside contaminates Item Specifications Bearing Type Cartridge Color Black Crown Race 40 Defined Color Black Lower Stack Height 12 Material Aluminum / Steel S.H.I.S Lower EC44 S.H.I.S Upper EC44 S.H.I.S. Stem Clamp Diameter 28.6 Stack Height 31 Upper Stack Height 19 Weight 147 Cane Creek HCR (Hidden Cable Routing) Headset Headsets UPC: 840226070964 MPN: BAA2445

by Cane Creek

—$129.99

The Cane Creek HCR (Hidden Cable Routing) is a better headset and stem system for road and gravel bikes that use internal headset cable routing. HCR hides the brake hoses from view without fully enclosing them in the stem or spacers, allowing for easier installation, maintenance, and travel. With its easy-to-use and fully sealed design, HCR delivers the clean look of internal routing without the downsides often associated with it. 8.7mm headset bore depth Optimized for wireless drivetrains, the HCR Headset is compatible with third-party stems using included conversion spacer Premium Cane Creek Hellbender stainless steel bearings feature ultra-smooth movement and exceptional durability for a long service life Features an interlocking cable seal, steerer tube seal, bearing lip seal and, dual-lip crown race seal keep the headset protected from outside contaminates Item Specifications Bearing Type Cartridge Color Black Crown Race 40 Defined Color Black Lower Stack Height 1 Material Aluminum / Steel S.H.I.S Lower IS52 S.H.I.S Upper IS52 S.H.I.S. Stem Clamp Diameter 28.6 Stack Height 8 Upper Stack Height 7 Weight 130 Cane Creek HCR (Hidden Cable Routing) Headset Headsets UPC: 840226070971 MPN: BAA2446

by Cane Creek

—$210

InSet 5 is built for riders using a 1.5" tapered fork that needs the precision of a Chris King headset on their bike with a 49mm headtube. InSet 5 is equipped with exclusive in-house built bearings and patented GripLock system to keep your steering precise and dependable. InSet 5 has 49mm upper internal cup, 49mm lower external cup with 1.5" baseplate Engineered, manufactured and assembled in Portland, Oregon USA Designed specifically for a 49mm straight headtube and a 1-1/8 to 1.5 tapered steerer tube Item Specifications Bearing Type Cartridge Color Matte Jade Crown Race 40 Defined Color Green Lower Stack Height 14.2 S.H.I.S Lower EC49 S.H.I.S Upper ZS49 S.H.I.S. Stem Clamp Diameter 28.6 Threadless Upper Stack Height 8 Weight 150 Chris King InSet 5 Headset Headsets UPC: 841529274530 MPN: BBG2

by Chris King

—$450

Since 1992, the NoThreadSet has been the gold standard for bikes with 1-1/8" head tubes. It has been ridden to victory by World Champions and Grand Tour winners, and it continues to be a favorite among riders and framebuilders who value timeless performance and clean aesthetics. For this version, titanium gives this Chris King headset something unique. It is stronger (both harder and stiffer) and less chemically reactive than the other metals you find in bicycle components. Like all King's headsets, the titanium NoThreadSet features King's patented GripLock bearing cap that preloads the headset independently of clamping onto the steerer, so it retains preload far better than some other headset designs GripLock retention design takes the guesswork out of preloading a headset, because the bearing preload force is independent of the clamping force for dependable headset adjustment (US Patent 8662517) Every Chris King headset is built with its own legendary heat-treated bearings, and surgical-grade steel races machined simultaneously to ensure they are perfectly matched For straight, 1-1/8 , EC34 headtubes only Engineered, manufactured and assembled in Portland, Oregon King Lifetime Warranty Item Specifications Bearing Type Cartridge Color Titanium Crown Race 30 Defined Color Gray Lower Stack Height 13.7 Material Titanium S.H.I.S Lower EC34 S.H.I.S Upper EC34 S.H.I.S. Stem Clamp Diameter 28.6 Threadless Stack Height 31.4 Upper Stack Height 17.7 Chris King NoThreadSet Titanium Headset Headsets UPC: 841529268584 MPN: BHTI

by Chris King

—$239.99

The 110 Ceramic 30th Anniversary headset is Cane Creek's most premium headset for ultimate smoothness and longevity. Built around the new Hellbender Ceramic bearing and backed by the Cane Creek 110 guarantee, they promise to replace any part of a 110 Ceramic if a rider is dissatisfied with its performance - no questions asked - for as long as they own it. This is the headset for the rider who wants nothing but the best. Precision engineered and hand built by Cane Creek in Fletcher, NC. Stack height: 8mm or 15mm Top / 12mm Bottom Angular design with dual-stage anodized machine cuts on top cover and cups to reduce weight Premium Hellbender silicon nitride ceramic bearings with 440C stainless steel races offer smoothness and longevity Premium 7075 T-6 aluminum cups and cover with high polish finish Upper headset bearing protected by two layers of seals within the top cover Lower bearing protected by dual-stage rubber lip seal co-molded onto crown race Includes matching top cap with carbon-friendly compression ring, (1) 10mm Interlok spacer and (2) 5mm Interlok spacers Item Specifications Color Cane Creek Blue Crown Race 40 Defined Color Blue Lower Stack Height 12 Material Aluminum Material Ceramic Material Stainless Steel S.H.I.S Lower EC44 S.H.I.S Upper ZS44 S.H.I.S. Stem Clamp Diameter 28.6 Threadless Stack Height 20 Upper Stack Height 8 Cane Creek 110 Ceramic 30th Anniversary Headset Headsets UPC: 840226030791 MPN: BAA2371-CC30

by Cane Creek

—$199.99

The 110 Ceramic 30th Anniversary headset is Cane Creek's most premium headset for ultimate smoothness and longevity. Built around the new Hellbender Ceramic bearing and backed by the Cane Creek 110 guarantee, they promise to replace any part of a 110 Ceramic if a rider is dissatisfied with its performance - no questions asked - for as long as they own it. This is the headset for the rider who wants nothing but the best. Precision engineered and hand built by Cane Creek in Fletcher, NC. Stack height: 9mm or 15mm Top / 1mm Bottom Angular design with dual-stage anodized machine cuts on top cover and cups to reduce weight Premium Hellbender silicon nitride ceramic bearings with 440C stainless steel races offer smoothness and longevity Premium 7075 T-6 aluminum cups and cover with high polish finish Upper headset bearing protected by two layers of seals within the top cover Lower bearing protected by dual-stage rubber lip seal co-molded onto crown race Includes matching top cap with carbon-friendly compression ring, (1) 10mm Interlok spacer and (2) 5mm Interlok spacers Item Specifications Color Cane Creek Blue Crown Race 40 Defined Color Blue keyword search Components Discounts Lower Stack Height 1 Material Aluminum Material Ceramic Material Stainless Steel S.H.I.S Lower IS52 S.H.I.S Upper IS41 S.H.I.S. Stem Clamp Diameter 28.6 Threadless Stack Height 10 Upper Stack Height 9 Cane Creek 110 Ceramic 30th Anniversary Headset Headsets UPC: 840226030432 MPN: BAA2369-CC30

by Cane Creek

—$35.95

A key component of the new Ritchey WCS Switch System, the WCS Switch Upper Headset upper is designed to specifically work with the Ritchey Switch Stem to route cables, wires and hydraulic lines from the handlebar through to the bicycle frame. Cables are routed from the handlebar into the headset conduit, which sits on the underside of the Switch Stem and then travel through an opening on the front of the WCS Switch headset spacers before passing through two channels on the top of the headset and into the frame. This system allows headset bearings to perform without any interference from cables, wires, or lines passing through the headtube. The Ritchey Switch System is an innovative integrated system designed to easily conceal internally routed cables, wires, and hydraulic lines from the handlebar into bicycle frames with straight 1.5" head tubes together with tapered 1-1/8" 1.5" forks. The Switch System consists of three elements: Switch Headset, Headset Spacers and Adapters (Sold Separately) Requires a bearing insertion depth of 8.7mm for the closest fit, please check with your frame manufacturer for compatibility 5mm x 2pc interlocking spacers included Compression cap sold separately Item Specifications Bearing Type Sealed Cartridge Color Black Defined Color List Black keyword search Components Discounts Material Composite S.H.I.S Upper ZS55 S.H.I.S. Stem Clamp Diameter 28.6 Threadless Stack Height 23.7 Weight 54 Ritchey WCS Switch Upper Headset Headset Upper UPC: 796941333214 MPN: 33030817026

by Ritchey

—$83.95

A key component of the Ritchey Switch System, the WCS Switch External Cup Headset is designed to specifically work with the Ritchey Switch Stem to route cables, wires and hydraulic lines from the handlebar through to the bicycle frame. Cables are routed from the handlebar into the headset conduit, which sits on the underside of the Switch Stem and then travel through an opening on the front of the Switch headset spacers before passing through two channels on the top of the headset and into the frame. This system allows headset bearings to perform without any interference from cables, wires, or lines passing through the headtube.The Ritchey Switch System is an innovative integrated system designed to easily conceal internally routed cables, wires, and hydraulic lines from the handlebar into bicycle frames with straight 1.5" head tubes together with tapered 1-1/8" 1.5" forks. The Switch System consists of three elements: Switch Headset, Headset Spacers and Adapters (Sold Separately) Item Specifications Bearing Type Sealed Cartridge Color Black Defined Color Black Lower Stack Height 14.2 Material Composite S.H.I.S Lower EC44 S.H.I.S Upper EC44 S.H.I.S. Stem Clamp Diameter 28.6 Threadless Upper Stack Height 23.7 Weight 146 Ritchey WCS Switch External Cup Headset Headsets UPC: 796941333184 MPN: 33050817002

by Ritchey

—$74.99

Hellbender Lite bearings have an improved seal structure and are cross compatible with Cane Creek headsets. Lightweight aluminum/steel hybrid Hellbender Lite bearings are 30% lighter than conventional headset bearings For use with 2024 Specialized Tarmac SL8 Includes (2) 49.5mm 45x45 bearings Item Specifications Bearing I.D. (mm) 40.5 Bearing O.D. (mm) 49.5 Bearing Type 45/45 Degree ACB Cartridge Bearing Angle 45x45 Color Red Material Aluminum Material Steel Thickness 6.5 Cane Creek Hellbender Lite Headset Bearing Headset Bearing UPC: 840226001425 MPN: BAA2157A

by Cane Creek

—$107.99

Cane Creek Hellbender 70 Lite is a headset that packs durability, weight savings and value into one product. Equipped with 6061-T6 aluminum and 35 percent lighter over comparable models. The Hellbender 70 Lite is an ideal headset choice for any bike where weight savings is a priority - a lightweight headset that doesn't lack durability or performance. 6061-T6 Aluminum cups and covers are internally contoured and relieved to minimize weight and maximize strength Top cover with low-friction upper bearing seal completely seals cup from contaminants and is fully captured by the top cover with no loose parts Alloy Dual-Seal crown race provides excellent seal efficiency with low friction Lightweight aluminum/w steel hybrid Hellbender Lite sealed cartridge bearing Carbon friendly captured compression ring Item Specifications Bearing Type Cartridge Color Purple Crown Race 40 Defined Color Purple Lower Stack Height 1 Material Aluminum Material Steel S.H.I.S Lower IS52 S.H.I.S Upper IS42 S.H.I.S. Stem Clamp Diameter 28.6 Threadless Stack Height 10 Upper Stack Height 9 Cane Creek Hellbender 70 Lite Headset Headsets UPC: 840226025704 MPN: BAA2172PP

by Cane Creek

—$116.99

Cane Creek Hellbender 70 Lite is a headset that packs durability, weight savings and value into one product. Equipped with 6061-T6 aluminum and 35 percent lighter over comparable models. The Hellbender 70 Lite is an ideal headset choice for any bike where weight savings is a priority - a lightweight headset that doesn't lack durability or performance. 6061-T6 Aluminum cups and covers are internally contoured and relieved to minimize weight and maximize strength Top cover with low-friction upper bearing seal completely seals cup from contaminants and is fully captured by the top cover with no loose parts Alloy Dual-Seal crown race provides excellent seal efficiency with low friction Lightweight aluminum/w steel hybrid Hellbender Lite sealed cartridge bearing Carbon friendly captured compression ring Item Specifications Bearing Type Cartridge Color Purple Crown Race 40 Defined Color Purple Lower Stack Height 4 Material Aluminum Material Steel S.H.I.S Lower ZS56 S.H.I.S Upper ZS44 S.H.I.S. Stem Clamp Diameter 28.6 Threadless Stack Height 12 Upper Stack Height 8 Cane Creek Hellbender 70 Lite Headset Headsets UPC: 840226025681 MPN: BAA2170PP

by Cane Creek

—$107.99

Cane Creek Hellbender 70 headset is designed to bridge the gap between the 50-series and 110-series headsets. Hellbender 70 has all the design characteristics, sealing elements, and stainless steel Hellbender bearings found on a premium 110-series headset, at a price closer to a 50-series. With a cleaner aesthetic, Hellbender 70 offers a very high level of durability with a look to complement modern builds. Cups and covers are internally contoured and relieved to minimize weight and maximize strength Top cover with low-friction upper bearing seal completely seals cup from contaminants and is fully captured by the top cover with no loose parts Alloy Dual-Seal crown race provides excellent seal efficiency with low friction Premium, sealed stainless-steel Hellbender 36x45 degree angled contact bearings Carbon friendly captured compression ring Rugged Bright-Dip anodized finish Interlok spacer compatible (Sold Separately) Item Specifications Bearing Type Cartridge Color Silver Crown Race 40 Defined Color Silver Lower Stack Height 1 Material Aluminum Material Stainless Steel S.H.I.S Lower IS52 S.H.I.S Upper IS41 S.H.I.S. Stem Clamp Diameter 28.6 Threadless Stack Height 10 Upper Stack Height 9 Cane Creek Hellbender 70 Headset Headsets UPC: 840226113654 MPN: BAA1188S

by Cane Creek

—$64.95

Wolf Tooth Premium headsets are machined out of aircraft grade aluminum and feature high-end bearings made by Enduro. They are engineered to use the largest possible ball size and are filled with high-pressure waterproof lubricant. A pair of dual-lip seals ride in micro-grooves to keep out water and debris. Stainless steel bearings provide unparalleled corrosion resistance Highly recommended if your headset will be exposed to wet conditions or sweat Ultralight stem cap with integrated spacer, plus an aluminum bolt and a star nut O-ring seal prevents water intrusion around the steerer tube Custom-molded upper lip seal provides additional protection for upper bearing Lifetime warranty Item Specifications Bearing Type Stainless Steel Color Ultraviolet Purple Defined Color List Purple S.H.I.S Upper IS41 S.H.I.S. Stem Clamp Diameter 28.6 Upper Stack Height 7 Weight 52 Wolf Tooth Premium IS Upper Headset Headset Upper UPC: 810159401166 MPN: IS41U-5MM-PRU

by Wolf Tooth

—$64.95

Wolf Tooth Premium headsets are machined out of aircraft grade aluminum and feature high-end bearings made by Enduro. They are engineered to use the largest possible ball size and are filled with high-pressure waterproof lubricant. A pair of dual-lip seals ride in micro-grooves to keep out water and debris. Stainless Steel Bearings provide unparalleled corrosion resistance Highly recommended if your headset will be exposed to wet conditions or sweat Custom-molded dual-lip seal on the crown race protects lower bearing in the toughest conditions Lifetime warranty Item Specifications Bearing Type Stainless Steel Color Ultraviolet Purple Crown Race 40 S.H.I.S Lower ZS56 Weight 58 Wolf Tooth Premium ZS Lower Headset Headset Lower UPC: 810159401081 MPN: ZS56L-40-PRU

by Wolf Tooth

—$74.95

Wolf Tooth Premium headsets are machined out of aircraft grade aluminum and feature high-end bearings made by Enduro. They are engineered to use the largest possible ball size and are filled with high-pressure waterproof lubricant. A pair of dual-lip seals ride in micro-grooves to keep out water and debris. Stainless steel bearings provide unparalleled corrosion resistance Highly recommended if your headset will be exposed to wet conditions or sweat Ultralight stem cap with integrated spacer, plus an aluminum bolt and a star nut O-ring seal prevents water intrusion around the steerer tube Custom-molded upper lip seal provides additional protection for upper bearing Lifetime warranty Item Specifications Bearing Type Stainless Steel Color Ultraviolet Purple Defined Color List Purple S.H.I.S Upper ZS44 S.H.I.S. Stem Clamp Diameter 28.6 Upper Stack Height 6 Weight 58 Wolf Tooth Premium ZS Upper Headset Headset Upper UPC: 810159401067 MPN: ZS44U-5MM-PRU

by Wolf Tooth

—$74.95

Wolf Tooth Premium headsets are machined out of aircraft grade aluminum and feature high-end bearings made by Enduro. They are engineered to use the largest possible ball size and are filled with high-pressure waterproof lubricant. A pair of dual-lip seals ride in micro-grooves to keep out water and debris. Stainless steel bearings provide unparalleled corrosion resistance Highly recommended if your headset will be exposed to wet conditions or sweat Ultralight stem cap with integrated spacer, plus an aluminum bolt and a star nut 5mm top cover = 16mm total stack O-ring seal prevents water intrusion around the steerer tube Custom-molded upper lip seal provides additional protection for upper bearing Lifetime warranty Item Specifications Bearing Type Black Oxide Steel Color Ultraviolet Purple Defined Color List Purple S.H.I.S Upper EC34 S.H.I.S. Stem Clamp Diameter 28.6 Upper Stack Height 16 Weight 64 Wolf Tooth Premium EC Upper Headset Headset Upper UPC: 810159401104 MPN: EC34U-5MM-PRU

by Wolf Tooth

—$54.95

Wolf Tooth Performance Headsets are machined out of aircraft grade aluminum and assembled with Black Oxide Cartridge Bearings, balancing quality and price. Black Oxide Bearings are made from chromium steel for high load capacity, durability and corrision resistance Ultralight stem cap with integrated spacer, plus an aluminum bolt and a star nut 5mm top cover = 16mm total stack O-ring seal prevents water intrusion around the steerer tube Custom-molded upper lip seal provides additional protection for upper bearing Item Specifications Bearing Type Stainless Steel Color Ultraviolet Purple Defined Color List Purple S.H.I.S Upper EC34 S.H.I.S. Stem Clamp Diameter 28.6 Upper Stack Height 16 Weight 64 Wolf Tooth Performance EC Upper Headset Headset Upper UPC: 810159401111 MPN: EC34U-5MM-PRU-B

by Wolf Tooth

—$64.95

Wolf Tooth Premium headsets are machined out of aircraft grade aluminum and feature high-end bearings made by Enduro. They are engineered to use the largest possible ball size and are filled with high-pressure waterproof lubricant. A pair of dual-lip seals ride in micro-grooves to keep out water and debris. Stainless Steel Bearings provide unparalleled corrosion resistance Highly recommended if your headset will be exposed to wet conditions or sweat Custom molded dual-lip seal on the crown race to protect lower bearing in the toughest conditions Lifetime warranty Item Specifications Bearing Type Stainless Steel Color Ultraviolet Purple Crown Race 30 Lower Stack Height 12.25 S.H.I.S Lower EC34 Weight 37 Wolf Tooth Premium EC Lower Headset Headset Lower UPC: 810159401128 MPN: EC34L-30-PRU

by Wolf Tooth

—$44.95

Wolf Tooth Performance Headsets are machined out of aircraft grade aluminum and assembled with Black Oxide Cartridge Bearings, balancing quality and price. Black Oxide Bearings are made from chromium steel for high load capacity and durability Custom molded dual-lip seal on the crown race to protect lower bearing in the toughest conditions Item Specifications Bearing Type Black Oxide Steel Color Ultraviolet Purple Crown Race 30 Lower Stack Height 12.25 S.H.I.S Lower EC34 Weight 37 Wolf Tooth Performance EC Lower Headset Headset Lower UPC: 810159401135 MPN: EC34L-30-PRU-B

by Wolf Tooth

—$219.95

Wolf Tooth Premium Internal EC44 Headsets were developed for frames using the ENVE IN-Route System of cable integration with a 44mm head tube. It was made for cyclists who want a clean, aero cockpit that keeps cables and brake lines out of sight. Wolf Tooth headsets are machined with aircraft-grade 6061 aluminum at Wolf Tooth in Minnesota, USA. Designed for the ENVE IN-Route System with a 44mm straight headtube and a 1-1/8 to 1.5 tapered steerer tube (FITS ONLY ENVE In-Route System) This Internal headset helps reduce aerodynamic drag by hiding cables away from airflow, and presents a svelte profile with its ultra-low 15.8mm upper and 12.25mm lower stack height Features Wolf Tooth's best-in-class triple-sealed system to protect the premium Enduro stainless steel bearings from the elements Internal o-ring top cap seal prevents water intrusion around the steerer tube Uses the largest possible ball size and are filled with high-pressure waterproof lubricant Item Specifications Bearing Type Stainless Steel Color Orange Crown Race 40 Defined Color Orange Lower Stack Height 12.25 Material Aluminum S.H.I.S Lower EC44 S.H.I.S Upper EC44 Upper Stack Height 15.8 Weight 116 Wolf Tooth Premium Internal Headset for Enve In-Route System Headsets UPC: 810159400633 MPN: EC44U-L-IR-ORG

by Wolf Tooth

—$219.95

Wolf Tooth Premium Internal EC44 Headsets were developed for frames using the ENVE IN-Route System of cable integration with a 44mm head tube. It was made for cyclists who want a clean, aero cockpit that keeps cables and brake lines out of sight. Wolf Tooth headsets are machined with aircraft-grade 6061 aluminum at Wolf Tooth in Minnesota, USA. Designed for the ENVE IN-Route System with a 44mm straight headtube and a 1-1/8 to 1.5 tapered steerer tube (FITS ONLY ENVE In-Route System) This Internal headset helps reduce aerodynamic drag by hiding cables away from airflow, and presents a svelte profile with its ultra-low 15.8mm upper and 12.25mm lower stack height Features Wolf Tooth's best-in-class triple-sealed system to protect the premium Enduro stainless steel bearings from the elements Internal o-ring top cap seal prevents water intrusion around the steerer tube Uses the largest possible ball size and are filled with high-pressure waterproof lubricant Item Specifications Bearing Type Stainless Steel Color Purple Crown Race 40 Defined Color Purple Lower Stack Height 12.25 Material Aluminum S.H.I.S Lower EC44 S.H.I.S Upper EC44 Upper Stack Height 15.8 Weight 116 Wolf Tooth Premium Internal Headset for Enve In-Route System Headsets UPC: 810159400640 MPN: EC44U-L-IR-PRP

by Wolf Tooth

—$219.95

Wolf Tooth Premium Internal EC44 Headsets were developed for frames using the ENVE IN-Route System of cable integration with a 44mm head tube. It was made for cyclists who want a clean, aero cockpit that keeps cables and brake lines out of sight. Wolf Tooth headsets are machined with aircraft-grade 6061 aluminum at Wolf Tooth in Minnesota, USA. Designed for the ENVE IN-Route System with a 44mm straight headtube and a 1-1/8 to 1.5 tapered steerer tube (FITS ONLY ENVE In-Route System) This Internal headset helps reduce aerodynamic drag by hiding cables away from airflow, and presents a svelte profile with its ultra-low 15.8mm upper and 12.25mm lower stack height Features Wolf Tooth's best-in-class triple-sealed system to protect the premium Enduro stainless steel bearings from the elements Internal o-ring top cap seal prevents water intrusion around the steerer tube Uses the largest possible ball size and are filled with high-pressure waterproof lubricant Item Specifications Bearing Type Stainless Steel Color Raw Silver Crown Race 40 Defined Color Silver Lower Stack Height 12.25 Material Aluminum S.H.I.S Lower EC44 S.H.I.S Upper EC44 Upper Stack Height 15.8 Weight 116 Wolf Tooth Premium Internal Headset for Enve In-Route System Headsets UPC: 810159400657 MPN: EC44U-L-IR-RSIL

by Wolf Tooth

—$219.95

Wolf Tooth Premium Internal EC44 Headsets were developed for frames using the ENVE IN-Route System of cable integration with a 44mm head tube. It was made for cyclists who want a clean, aero cockpit that keeps cables and brake lines out of sight. Wolf Tooth headsets are machined with aircraft-grade 6061 aluminum at Wolf Tooth in Minnesota, USA. Designed for the ENVE IN-Route System with a 44mm straight headtube and a 1-1/8 to 1.5 tapered steerer tube (FITS ONLY ENVE In-Route System) This Internal headset helps reduce aerodynamic drag by hiding cables away from airflow, and presents a svelte profile with its ultra-low 15.8mm upper and 12.25mm lower stack height Features Wolf Tooth's best-in-class triple-sealed system to protect the premium Enduro stainless steel bearings from the elements Internal o-ring top cap seal prevents water intrusion around the steerer tube Uses the largest possible ball size and are filled with high-pressure waterproof lubricant Item Specifications Bearing Type Stainless Steel Color Blue Crown Race 40 Defined Color Blue Lower Stack Height 12.25 Material Aluminum S.H.I.S Lower EC44 S.H.I.S Upper EC44 Upper Stack Height 15.8 Weight 116 Wolf Tooth Premium Internal Headset for Enve In-Route System Headsets MPN: EC44U-L-IR-BLU

by Wolf Tooth

—$159.99

Backed by a 110-year warranty and constructed in Fletcher, NC, the 110-Series headset is designed with no compromises in quality, durability, or finish quality. Integrated bearings fit directly into compatible head tubes without the need of a bearing press. Sealed stainless steel bearings Carbon-friendy compression ring captured in top cover, keeping shims in place 7075 T-6 aluminum cups machined in Fletcher, NC Aluminum dual seal crown race protects lower bearing Interlok spacer compatible 110 year warrranty Uses 36/45 degree crown race and compression ring Item Specifications Bearing Type Cartridge Color Black Crown Race 40 Defined Color Black Lower Stack Height 1 S.H.I.S Lower IS52 S.H.I.S Upper IS41 S.H.I.S. Stem Clamp Diameter 28.6 Threadless Upper Stack Height 15 Cane Creek 110-Series IS - Integrated Headset Headsets UPC: 840226128528 MPN: BAA2276

by Cane Creek

—$89.99

40-Series Zero Stack headsets set the standard for performance, durability and value. Drawing from the premium 110-Series design, the 40-Series includes all the features necessary for a durable, lightweight, long-lasting headset. Sealed ZN40 cartridge bearings 6000 series alloy cups and materials Steel crown race with integrated seals Interlok spacer compatible Item Specifications Bearing Type Cartridge Color Black Crown Race 30 Defined Color Black S.H.I.S Lower ZS44 S.H.I.S Upper EC49 S.H.I.S. Stem Clamp Diameter 28.6 Threadless Cane Creek 40-Series ZS - Zero Stack Headset Headsets UPC: 840226077659 MPN: BAA0739K

by Cane Creek

—$54.95

Wolf Tooth Premium headsets are machined out of aircraft grade aluminum and feature high-end bearings made by Enduro. They are engineered to use the largest possible ball size and are filled with high-pressure waterproof lubricant. A pair of dual-lip seals ride in micro-grooves to keep out water and debris. Stainless Steel Bearings provide unparalleled corrosion resistance Highly recommended if your headset will be exposed to wet conditions or sweat Custom molded dual-lip seal on the crown race to protect lower bearing in the toughest conditions Lifetime warranty Item Specifications Bearing Type Cartridge Bearing Type Stainless Steel Color Gold Crown Race 40 S.H.I.S Lower EC49 Wolf Tooth Premium EC Lower Headset Headset Lower UPC: 812719027571 MPN: EC49L-40-GLD

by Wolf Tooth

—$33

ABI Headset Bearing for new builds or replacements. Item Specifications Bearing I.D. (mm) 32.75 Bearing O.D. (mm) 41.75 Bearing Type Cartridge Cartridge Bearing Angle 45x45 Enduro Headset Bearing Headset Bearing UPC: 811780022942 MPN: ACB 4545 136 SS-BAG

by Enduro