Crank Spider

—$710

DZero XX1 Eagle DUB Spider Quarq Dzero XX1 Boost power meter spider must be paired with a XX1 Eagle DUB 8-bolt crankset and a 104 BCD X-SYNC 2 chainring Not compatible with SRAM's 3-bolt direct mount interface Bluetooth low energy technology and ANT+ wireless data transfer MagicZero technology automatically checks and recalibrates your power meter as you ride no need to manually calibrate AxCad system provides no-magnet cadence data OmniCal system allows you to swap chainrings without affecting accuracy Use the AXS app to easily update firmware and view power meter metrics Uses a CR2032 battery that can be replaced without tools Measures power for both legs with +/- 1.5% accuracy IPX7 waterproof rating Item Specifications Chainring BCD 104 Quarq DZero XX1 Eagle DUB Crank Spider UPC: 710845839450 MPN: 00.3018.269.000

by Quarq

—$13.34

The RaceFace CINCH crank lockring is used for mounting CINCH spiders and direct mount chainrings. RaceFace CINCH Crank Lockring Crank Spider UPC: 895428013660 MPN: F30021

by RaceFace

—$34.95

CAMO Spider Designed for 52mm chainline long BB30 cranks and GXP cranks Made from Aluminum alloy for light weight Includes 5 black chainring bolts Wolf Tooth CAMO Crank Spider UPC: 812719023399 MPN: SP-CAMO-SDM-M5

by Wolf Tooth

—$62.99

Race Face Crank Spiders allow a quick swap between chainring options on the Race Face CINCH crank system. Item Specifications Chainring BCD 104 Chainring BCD 64 Color Black RaceFace CINCH Spider Crank Spider UPC: 821973288604 MPN: F10017

by RaceFace

—$530

The SRAM AXS Power Meter Spider can be used to upgrade your SRAM AXS crankset to a power meter. Quarq's next-generation DZero power meter platform is named for the DZero Experiment, one of science's most accurate and innovative projects to detect subatomic particles moving at the speed of light. With a new measurement circuit, a revised strain gauge design, improved accuracy throughout the pedal stroke, and software advances, DZero represents the state of the art in power meter technology. AXS is SRAM's flagship electronic integration platform connecting electronically shifted componentry and software. The SRAM AXS App allows riders to see battery status, change component behavior, personalize controls, get maintenance reminders, and update firmware. AXS enabled for easy monitoring and firmware upgrades Power-upgrade compatible with the following RED and Force eTap AXS cranksets: RED 1x: 36T-46T, Force 1x: 36T-46T, Force 2x: 33/46, 35/48 Bluetooth Low Energy and ANT+ compatible Power readings are accurate within +/-1.5% and aren t affected by climate conditions during a ride Power balance measures left and right legs separately Uses a common CR2032 battery that last for 200 riding hours and changes without tools Item Specifications Chainring BCD 107 Color Black SRAM AXS Power Meter Spider Crank Spider UPC: 710845825583 MPN: 00.3018.229.000

by SRAM

—$21

Shimano lock ring for direct mount cranks. Shimano Direct Mount Lockring Crank Spider UPC: 192790598239 MPN: Y0J698060

by Shimano

—$17.75

Shimano lock ring for direct mount cranks. Shimano Direct Mount Lockring Crank Spider UPC: 192790387970 MPN: Y1X098050

by Shimano

—$34.95

CAMO Spider Designed for 49mm chainline Made from Aluminum alloy for light weight Includes 5 black chainring bolts Wolf Tooth CAMO Crank Spider UPC: 812719023375 MPN: SP-CAMO-RFC-M8

by Wolf Tooth

—$33.99

CAMO Spider Designed for 52mm chainline Made from Aluminum alloy for light weight Includes 5 black chainring bolts Wolf Tooth CAMO Crank Spider UPC: 812719023382 MPN: SP-CAMO-RFC-M5

by Wolf Tooth

—$79.95

The Wolf Tooth CAMO BashSpider is a crankset-mounted boost bash ring. This is a spider with an integrated bash ring for use with direct mount cranksets. The CAMO BashSpider pairs with a CAMO chainring to complete the CAMO System. Designed to work with SRAM cranksets that have a removable spider A CAMO chainring is required to complete this system The "rolling" ability of the BashSpider allows the rider to move easily over obstacles Bash rings that are mounted on the crankset are better supported than bash rings that are mounted to the frame or bottom bracket M5 (minus 5mm - Boost) is dished towards the frame for 52mm chainline for bikes with Boost spacing Will fit CAMO chainrings from sizes 28T-34T round or 30T-32T elliptical Includes mounting bolts Item Specifications Color Black Wolf Tooth CAMO Bash Spider Crank Spider UPC: 810006802955 MPN: SPBASH-SDM-M5

by Wolf Tooth

—$470

Reach new goals and explore new roads with a power meter that delivers on accuracy, durability, and reliability. The Quarq DZero AXS DUB Power Meter Spider is built with broad compatibility and will work with most 10 speed and 11 speed chainrings. Spider must be paired with a compatible Quarq DZero DUB crankset with an 8-bolt interface and SRAM DUB bottom bracket Not compatible with SRAM's 3-bolt direct mount interface DZero DUB is designed for the most major brands of 10 and 11-speed chainrings Bluetooth low energy technology and ANT+ wireless data transfer MagicZero technology automatically checks and recalibrates your power meter as you ride no need to manually calibrate AxCad system provides no-magnet cadence data OmniCal system allows you to swap chainrings without affecting accuracy Use the AXS app to easily update firmware and view power meter metrics Uses a CR2032 battery that can be replaced without tools Measures power for both legs with +/- 1.5% accuracy IPX7 waterproof rating Item Specifications Chainring BCD 110 Color Black Quarq DZero DUB Power Meter Spider Crank Spider UPC: 710845839436 MPN: 00.3018.268.001

by Quarq

—$26

Shimano lock ring for direct mount cranks.Also works with: FC-MT611-1 Shimano Direct Mount Lockring Crank Spider UPC: 192790848105 MPN: Y0L198030

by Shimano

—$79.95

The Wolf Tooth CAMO BashSpider is a crankset-mounted boost bash ring. This is a spider with an integrated bash ring for use with direct mount cranksets. The CAMO BashSpider pairs with a CAMO chainring to complete the CAMO System. Designed to work with Shimano cranksets that have a removable spider A CAMO chainring is required to complete this system The "rolling" ability of the BashSpider allows the rider to move easily over obstacles Bash rings that are mounted on the crankset are better supported than bash rings that are mounted to the frame or bottom bracket M5 (minus 5mm - Boost) is dished towards the frame for 52mm chainline for bikes with Boost spacing Will fit CAMO chainrings from sizes 28T-34T round or 30T-32T elliptical Includes mounting bolts Item Specifications Color Black Wolf Tooth CAMO Bash Spider Crank Spider UPC: 810006802948 MPN: SPBASH-SHDM-M5

by Wolf Tooth

—$530

The XX SL Eagle AXS Transmission Power Meter records and delivers live, accurate power readings to your head unit. Utilizing an all-new spider-based design, this is SRAM's most accurate, high performing power meter. The spider design uses a proprietary thread-on chainring mount system which has allows reduced weight without compromising reliability. A dual sided power measurement system calculates total watts, it's subtle, lightweight, 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, high-performance data delivery giving you an edge over the competition. Specifically designed for use with XX SL Eagle T-Type Thread Mount chainrings (Sold separately) MagicZero - automatically checks and recalibrates your power meter as you ride Bluetooth low energy technology and ANT+ wireless data transfer AxCad -- no cadence magnet required Power readings are accurate within +/-1.5% and aren't affected by climate conditions during a ride AXS enabled for easy monitoring and firmware upgrades Compatible with all Eagle Transmission 8-Bolt cranks Waterproof (IPX7 waterproof to 1 meter for 30 minutes) Uses a common CR2032 battery that last for 200 riding hours and changes without tools Item Specifications Color Black SRAM XX/XX SL Eagle T-Type AXS Power Meter Spider Crank Spider UPC: 710845886294 MPN: 00.3018.345.000

by SRAM

—$34.95

CAMO Spider Designed for 49mm chainline on long BB30 cranks and GXP cranks Made from Aluminum alloy for light weight Includes 5 black chainring bolts Wolf Tooth CAMO Crank Spider UPC: 812719023368 MPN: SP-CAMO-SDM-M8

by Wolf Tooth

—$25

Replacement parts for repairing SRAM Power Meter spiders. Includes washer, o-ring, and spring (In addition to battery lid and cover) Compatible with: FC-XX-P-D1, FC-XX-SLP-D1 Item Specifications Color Black SRAM Power Meter Spider Replacement Parts Crank Spider UPC: 710845887871 MPN: 11.3018.017.000

by SRAM

—$55.99

These precision CNC machined 7075 aluminum spiders are optimized to fit Cane Creek's eeWings All-Road cranks, adding more versatility for riders. The spiders will allow direct-mount cranks, such as the eeWings, to accommodate 110 BCD chainring so riders can expand their gearing options. Allows riders to run more 1x chainring options CNC high grade 7075 series aluminum with black anodized finish 50g Fully CNC machined 7075 aluminum with pocketing to maintain stiffness while reducing weight Clearly labeled specifications for easy identification and installation Item Specifications Chainring BCD 110 Color Black Cane Creek eeWings Crank Spider Crank Spider UPC: 840226079264 MPN: BAI0057

by Cane Creek

—$470

You've been running with power in your cranks for a bit, but craving a drivetrain change. This can be a little tough to stomach, especially when you've been rolling with an expensive power meter that limits compatibility. If your setup involves a Quarq DZero DUB crankset, and Shimano's newest Dura Ace is catching your eye, don't worry, you don't need to lose out on your whole crankset, or compromise your drivetrain desires, with the Quarq DFour DUB Power Meter Spider you can bridge the gap. This spider enables you to keep running your DUB cranks with Shimano's Dura Ace 9100 drivetrains, so you don't have to make concessions anywhere. Spider must be paired with a compatible Quarq DZero DUB crankset with an 8-bolt interface and SRAM DUB bottom bracket Not compatible with SRAM's 3-bolt direct mount interface DFour DUB is designed for Dura-Ace R9100 chainrings Bluetooth low energy technology and ANT+ wireless data transfer MagicZero technology automatically checks and recalibrates your power meter as you ride no need to manually calibrate AxCad system provides no-magnet cadence data Use the AXS app to easily update firmware and view power meter metrics Measures power for both legs with +/- 1.5% accuracy Uses a CR2032 battery that can be replaced without tools OmniCal system allows you to swap chainrings without affecting accuracy IPX7 waterproof rating Compatible Chainrings - Compatible with Dura-Ace R9100 chainrings. Works with Ultegra R8000 and 105 R7000 chainrings but will not aesthetically match Item Specifications Chainring BCD 110 Asym Color Black Quarq DFour DUB Crank Spider UPC: 710845839443 MPN: 00.3018.268.002

by Quarq

—$99.99

These precision CNC machined 7075 aluminum spiders are optimized to fit Cane Creek's eeWings All-Road cranks, adding more versatility for riders. The spiders will allow direct-mount cranks, such as the eeWings, to accommodate 110 BCD chainring so riders can expand their gearing options. 8-Bolt mount type Allows riders to run more 1x chainring options CNC high grade 7075 series aluminum with black anodized finish Exceptionally light weight at only 50g Fully CNC machined 7075 aluminum with pocketing to maintain stiffness while reducing weight Clearly labeled specifications for easy identification and installation Item Specifications Chainring BCD 110 Color Black Cane Creek eeWings Crank Spider Crank Spider UPC: 840226071558 MPN: BAI0402

by Cane Creek

—$89.99

These precision CNC machined 7075 aluminum spiders are optimized to fit Cane Creek's eeWings All-Road cranks, adding more versatility for riders. The spiders will allow direct-mount cranks, such as the eeWings, to accommodate 110 BCD chainring so riders can expand their gearing options. Spider allows perfect fitment of Shimano GRX chainrings to eeWings Next Gen 8-bolt cranks Used for both 1x or 2x Shimano GRX setups, this spider provides a clean and aesthetically-matched mounting solution to run your preferred Shimano drivetrain with Cane Creek eeWings titanium cranks BCD: 110mm x 4 bolt and 80mm x 4 bolt (Shimano GRX Standard) Weight: 80g Fully CNC machined 7075 aluminum with pocketing to maintain stiffness while reducing weight Clearly labeled specifications for easy identification and installation Item Specifications Chainring BCD 110 Shimano Asymmetric Chainring BCD 80 Color Black Ring Position/Type Inner Ring Position/Type Outer Ring Position/Type Single Cane Creek eeWings Crank Spider Crank Spider UPC: 840226070681 MPN: BAI0321

by Cane Creek

—$385

When you need the best from your training data, the accuracy and reliability of the Force AXS Power Meter spider for thread mount 2x chainrings is the way to go. The spider design uses a proprietary thread-on chainring mount system which allows us to reduce weight and increase stiffness without compromising the ability to swap rings. This dual sided power measurement system, it's accurate to +/-1.5% even as weather conditions change, and boasts unbeatable battery life. Thread Mount design is light, stiff and accurate, and fits Force 2x Thread Mount chainrings (Chainrings sold separately) Dual sided power measurement system, it s accurate to +/-1.5% even as weather conditions change, and boasts unbeatable battery life (User replaceable CR2032 battery with 200-hour battery life) Bluetooth low energy technology and ANT+ wireless data transfer MagicZero automatically checks and recalibrates your power meter as you ride No cadence magnet required 10K Temperature Compensation and Waterproof (IPX7 waterproof to 1 meter for 30 minutes) AXS enabled for easy monitoring and firmware updates Includes 8 bolts and thread back up pin for chainring Item Specifications Chainring BCD SRAM Thread Mount Color Black SRAM Force AXS Power Meter Spider E1 Crank Spider UPC: 710845920110 MPN: 00.3018.412.000

by SRAM

—$550

When you need the absolute best from your training data, the accuracy and reliability of the RED XPLR AXS Power Meter is the way to go. The spider design uses a proprietary thread-on chainring mount system which allows us to reduce weight and increase stiffness without compromising the ability to swap rings. A dual sided power measurement system, it's accurate to +/-1.5% even as weather conditions change, and boasts unbeatable battery life. Thread Mount design is light, stiff and accurate, and fits RED XPLR Thread Mount chainrings 38t-46t (Chainrings sold separately) Dual sided power measurement system, it s accurate to +/-1.5% even as weather conditions change, and boasts unbeatable battery life (User replaceable CR2032 battery with 200-hour battery life) Bluetooth low energy technology and ANT+ wireless data transfer MagicZero automatically checks and recalibrates your power meter as you ride No cadence magnet required 10K Temperature Compensation and Waterproof (IPX7 waterproof to 1 meter for 30 minutes) AXS enabled for easy monitoring and firmware updates Includes 8 bolts and thread back up pin for chainring Item Specifications Color Black SRAM RED XPLR AXS Power Meter Spider E1 Crank Spider UPC: 710845904783 MPN: 00.3018.388.000

by SRAM

—$280.20

Smooth out rough trails and reduce pedal kickback. The Ochain N is an active spider designed to reduce the negative effects of chain growth and pedal kickback on full-suspension mountain bikes. By allowing controlled movement at the spider, Ochain helps separate suspension movement from the crankset, giving the bike a smoother and more planted feel through rocks, roots, braking bumps, and big compressions. The N version uses internal travel adjustment with a 9° factory setting. It can also be tuned with 6° and 12° travel chips for different bike setups, terrain, and rider preferences. The updated B1 version is re-engineered for improved impact resistance, longevity, and contamination resistance. Product Features Active spider designed to reduce pedal kickback and chain growth feedback Helps improve suspension performance on full-suspension mountain bikes Internally adjustable travel system 9° factory setting 6° and 12° travel chips can be installed for additional tuning Can be upgraded to Ochain R with the External Travel Adjust Upgrade Kit Re-engineered for improved impact resistance, durability, and contamination resistance Designed for 1x drivetrains Requires a 104 BCD chainring Compatible with 32T-36T chainrings Chainring and chainring bolts are not included Tech Specs Model: Ochain N B1 Configuration: 1x Interface: SRAM 8-Bolt BCD: 4x104mm Chainring Offset: 3mm Spider Adjustment: Internal Travel Adjust Factory Degree Setting: 9° Application: Pedal bike Color: Black SRAM N Standard SRAM (8-Bolt) Crank Spider UPC: 710845936159 MPN: 00.6118.793.001

by SRAM

—$350

Tune out pedal kickback and smooth out rough trails. The Ochain R is an active spider designed to reduce the effects of chain growth and pedal kickback on full-suspension mountain bikes. By allowing controlled rotation at the spider, Ochain helps separate suspension movement from the crankset, giving the bike a smoother, more chainless feel through rough terrain, braking bumps, rocks, roots, and big compressions. The R version features external travel adjustment, allowing riders to fine tune the amount of spider rotation between 4, 6, 9, and 12 degrees. This lets you balance suspension sensitivity, pedal feedback, and pedaling efficiency based on the trail, riding style, or bike setup. The updated B1 version also includes the new Easy System adjuster with improved impact, longevity, and contamination resistance. Product Features Active spider designed to reduce pedal kickback and chain growth feedback Creates a smoother, more chainless feel through rough terrain Externally adjustable rotation settings: 4, 6, 9, and 12 degrees Helps improve suspension performance on full-suspension bikes New Easy System adjuster for easier tuning Re-engineered for improved impact resistance, durability, and contamination resistance Designed for 1x drivetrains Requires a 104 BCD chainring Compatible with 32T-36T chainrings Chainring and chainring bolts are not included Tech Specs Model: Ochain R B1 Configuration: 1x Direct Mount: SRAM 8-Bolt BCD: 4x104mm Chainring Offset: 3mm Color: Black Application: Pedal bike SRAM R Standard SRAM (8-Bolt) Crank Spider UPC: 710845936135 MPN: 00.6118.792.001

by SRAM

—$277.72

Smooth out rough trails and reduce pedal kickback. The Ochain N is an active spider designed to reduce the negative effects of chain growth and pedal kickback on full-suspension mountain bikes. By allowing controlled movement at the spider, Ochain helps separate suspension movement from the crankset, giving the bike a smoother and more planted feel through rocks, roots, braking bumps, and big compressions. The N version uses internal travel adjustment with a 9° factory setting. It can also be tuned with 6° and 12° travel chips for different bike setups, terrain, and rider preferences. The updated B1 version is re-engineered for improved impact resistance, longevity, and contamination resistance. Product Features Active spider designed to reduce pedal kickback and chain growth feedback Helps improve suspension performance on full-suspension mountain bikes Internally adjustable travel system 9° factory setting 6° and 12° travel chips can be installed for additional tuning Can be upgraded to Ochain R with the External Travel Adjust Upgrade Kit Re-engineered for improved impact resistance, durability, and contamination resistance Designed for 1x drivetrains Requires a 104 BCD chainring Compatible with 32T-36T chainrings Chainring and chainring bolts are not included Tech Specs Model: Ochain N B1 Configuration: 1x Interface: SRAM 3-Bolt BCD: 4x104mm Chainring Offset: 3mm Spider Adjustment: Internal Travel Adjust Factory Degree Setting: 9° Application: Pedal bike Color: Black SRAM N Standard SRAM (3-Bolt) Crank Spider UPC: 710845936142 MPN: 00.6118.793.000

by SRAM

—$109.99

These precision CNC machined 7075 aluminum spiders are optimized to fit Cane Creek's eeWings All-Road cranks, adding more versatility for riders. The spiders will allow direct-mount cranks, such as the eeWings, to accommodate 110 BCD chainring so riders can expand their gearing options. Spider allows perfect fitment of Shimano Dura-Ace 9200 chainrings to eeWings Next Gen 8-bolt cranks Used for Shimano Dura-Ace 9200 setups, this spider provides a clean and aesthetically-matched mounting solution to run your preferred Shimano drivetrain with Cane Creek eeWings titanium cranks BCD: 110mm x 4 bolt (Shimano Dura-Ace 9200 Standard) Weight: 78g Fully CNC machined 7075 aluminum with pocketing to maintain stiffness while reducing weight Clearly labeled specifications for easy identification and installation Item Specifications Chainring BCD 110 Shimano Asymmetric Color Black Cane Creek eeWings Crank Spider Crank Spider UPC: 840226070674 MPN: BAI0381

by Cane Creek

—$470

Reach new goals and explore new roads with a power meter that delivers on accuracy, durability, and reliability. The Quarq DZero AXS DUB Power Meter Spider is built with broad compatibility and will work with most 10 speed and 11 speed chainrings. Spider must be paired with a compatible Quarq DZero DUB crankset with an 8-bolt interface and SRAM DUB bottom bracket Not compatible with SRAM's 3-bolt direct mount interface DZero DUB is designed for the most major brands of 10 and 11-speed chainrings Bluetooth low energy technology and ANT+ wireless data transfer MagicZero technology automatically checks and recalibrates your power meter as you ride no need to manually calibrate AxCad system provides no-magnet cadence data OmniCal system allows you to swap chainrings without affecting accuracy Use the AXS app to easily update firmware and view power meter metrics Uses a CR2032 battery that can be replaced without tools Measures power for both legs with +/- 1.5% accuracy IPX7 waterproof rating Item Specifications Chainring BCD 130 Color Black Quarq DZero DUB Power Meter Spider Crank Spider UPC: 710845839429 MPN: 00.3018.268.000

by Quarq

—$179.99

This 5DEV spider allows the integration of Shimano Dura-Ace 12-speed rings with their RGXC 8-Bolt crank interface. The asymmetric 110 BCD 4-Bolt chainring bolt pattern works exclusively with Dura-Ace 2x chainrings. Please note that this chainring is not compatible with Ultegra or GRX chainrings. Allows the integration of Shimano Dura-Ace 12-speed rings with the 5DEV RGXC 8-Bolt crank interface CNC'd machined aluminum is lightweight at only 73g Please note - If you want to run Shimano 11-speed Dura-Ace, you'll going to need to use a FC-R9200 12-Speed small ring, otherwise you'll run into compatibility issues Item Specifications Chainring BCD 110 Shimano Asymmetric Color Black 5DEV 8-Bolt Crank Spider Crank Spider UPC: 850058721910 MPN: S-110BCD-8B

by 5DEV

—$25

Replacement parts for repairing SRAM Power Meter spiders.Compatible with SRAM crank models with power meter: FC-FRC-1P-E1, FC-FRC-P-E1 Item Specifications Color Black SRAM Power Meter Spider Replacement Parts Crank Spider UPC: 710845926105 MPN: 11.3018.042.000

by SRAM

—$109.99

These precision CNC machined 7075 aluminum spiders are optimized to fit Cane Creek's eeWings All-Road cranks, adding more versatility for riders. The spiders will allow direct-mount cranks, such as the eeWings, to accommodate 110 BCD chainring so riders can expand their gearing options. Spider allows perfect fitment of Shimano Ultegra 8100 chainrings to eeWings Next Gen 8-bolt cranks Used for Shimano Ultegra 8100 setups, this spider provides a clean and aesthetically-matched mounting solution to run your preferred Shimano drivetrain with Cane Creek eeWings titanium cranks BCD: 110mm x 4 bolt (Shimano Ultegra 8100 Standard) Weight: 78g Fully CNC machined 7075 aluminum with pocketing to maintain stiffness while reducing weight Clearly labeled specifications for easy identification and installation Item Specifications Chainring BCD 110 Shimano Asymmetric Color Black Cane Creek eeWings Crank Spider Crank Spider UPC: 840226070698 MPN: BAI0383

by Cane Creek

—$382.60

Introducing the OChain | E, a revolutionary active spider that transforms your riding experience and elevates your e-bike's performance. OChain enables the chainring to rotate backward, effectively disconnecting the transmission from the suspension. The result? A smoother, more efficient ride that enhances your biking adventures. Chainring bolts sold separately TECH INFO Customizable Setup: OChain will come with a 9 degrees set up, with the possibility to switch between 4°, 6°, 9° and 12° setups, buying the dedicated Elastomer kit, tailoring your ride to your preferences. Chainrings Compatibility: BCD 104 mm chainrings from 30T ( NOT INCLUDED) Chainring Offset: +3mm virtual chainring offset (add +3mm or +4,5mm, with the OChain adjust kit) Sleek Finish: Black or Silver hard anodization Material: Crafted from high-quality Alloy 7075 T6 Weight: 140 grams (depending on the version) Dimensions: 93 mm x 93 mm x 13 mm Weight Limit: Rider and bike max 120kg COMPATIBILITY OChain is a active spider made for the direct mount cranks OChain can not guarantee the compatibility with all the chainguide on the market OChain chainring with OChain nuts is the only chainring guaranteed to be compatible OChain can not guarantee the compatibility with all the E-bikes on the market. OChain is not compatible with Turbolevo gen4 OChain | E Bosch is compatible with Bosch gen5 BDU38. Spacers are included in the box to match the original chainline just for the OChain | E bosch Chainring bolts sold separately OChain E Active Brose/SRAM Crank Spider UPC: 739988403984 MPN: ENBRS55

by OChain