Filter By:
- Show More Brands
- Show Fewer Brands
- Show More Sizes
- Show Fewer Sizes
Parts & Accessories

$442.00
DZero is Quarq's next-generation power meter platform for those who live to be challenged, pushed, and tested in the toughest scenarios imaginable. Now Quarq has introduced a DZero spider designed to replace the factory spider on Specialized's S-Works carbon crankset.
Quarq DZero for Specialized embodies 10 years of Quarq advances in power meter technology, plus new features such as dual Bluetooth low energy and ANT+ wireless data transfer, revised circuitry, a new strain gauge design and the Qalvin BLE app. You also get AxCad accelerometer cadence, the easy-to-replace CR2032 battery, an IPX7 waterproof rating and a 2-year warranty.
Features & Benefits:
- Bluetooth low energy technology and ANT+ wireless data transfer
- AxCad – no cadence magnet required
- 10K Temperature Compensation
- Battery – CR2032, 200-hour battery life, change without tools
- Power Balance
- OmniCal – swap chainrings without affecting accuracy
- 2-year warranty
- IPX7 waterproof rating
- Accuracy – within 1.5%, measuring both legs
- Free firmware upgrades with the Qalvin app
Essential Details:
- Traditional 5-arm spider compatible with Specialized S-Works Carbon Road Crank Arms from 2013-Current.
- Available in 130 BCD and 110 BCD.
- Replaces the standard spider.
- A Specialized lockring tool is required for installation.

$645.00
Enjoy the ultimate advantage of freedom and adventure that Eagle provides combined with the Quarq power meter platform that delivers on accuracy and reliability. The SRAM Eagle XX1 power meter is built to pair with the SRAM Eagle drivetrains, providing a significantly quieter performance and extraordinary durability. Take it on the dirtiest, gnarliest trails while maintaining confidence in your cycling components. You came to perform; the Eagle XX1 power meter will perform with you. You are working hard, pushing yourself to new heights in some of the toughest conditions. Ride with confidence knowing that your power meter will not quit when you need it the most. Enjoy up to 200 hours of ride time in any weather or trail condition with its IPX7 waterproof rating and 10k temperature compensation; if harsh environments do not hold you back, then you need a product capable of rising to the occasion. The Eagle XX1 power meter is designed to be rough-and-tumble tough. Train harder, ride faster and unlock your ultimate potential. The Eagle XX1 power meter brings simplicity and ease-of-use to your training. With MagicZero automatic calibration, there is no need to worry about calibrating before you ride; just jump on your bike and go. The Eagle XX1 also features Bluetooth low energy and ANT+ wireless data transfer, delivering power output information directly to your cycling computer.
- Speeds: 11/12
- BB Compatibility: DUB:BSA73, PF89.5, PF92, PF30 MTB73, BB30 MTB73, BSA MTB68SP
- Bolt Circle Diameter (BCD): 104 BCD
- Chainline: 52.0mm
- BB Spindle Interface: DUB
- Power Meter Type: ANT+ and BLE
- Crank Arms/Chainrings not included

$15.00 - $18.99
SR Suntour's XCT is a replacement left crank arm for square or diamond taper-oriented cranks that features aluminum alloy construction.

$7.99 - $21.99
Secure your chainrings for your ride with Origin-8's Double/Triple Chainring Bolts. Made for double and triple chainrings, each set includes 5 male/female bolts to securely connect your chain rings to the crank. Available in black and silver, as well as aluminum or steel.

$11.99
Trail riding can be tough on your gear. The ends of your Next SL G4 cranks can take a lot of abuse as the trail rushes underneath you and your bike. Protect your cranks from any damage with Race Face crank boots. Made from a durable Race Face proprietary plastic blend, leave no doubt and go with the originator in crank end protection. Wrap it up and protect the tips!

$263.00
Power every ride. We've taken the reliability, elegance, and features of Quarq's legendary crank-based power meter and dropped the barrier to entry once again. This new power meter platform is entirely contained within the DUB spindle for clean integration that fits more bikes than ever. It's invisible technology that adds minimal weight and will help you get to the finish line faster, and it can be used to upgrade any eTap AXS bike.
- An elegant, integrated design
- DUB-PWR spindle-based unit measures left-side power to calculate total watts
- Proven Quarq reliability and accuracy
- Long battery life (400+ hours) to power a season of rides
- User-replaceable lithium AAA battery
- DUB bottom bracket adds durability and simplicity
- Waterproof (IPX7 waterproof to 1 meter for 30 minutes)
- Lightweight (less than 40g heavier than standard crankset)
- Simple and affordable power meter upgrade option
- Right Arm/BB/Spider/Chainrings NOT INCLUDED

$23.99
- Universal bottom bracket style mount
- 44T maximum chainring size
- Impact-resistant plastic
- Size: Universal
- Application: BB Mount

$11.99 - $23.99
Revamp the look of your single speed cranks with some new hardware. Origin-8's Single Chainring Bolts give a high polished look to any crankset. The anodized finish comes in multiple colors to highlight your crank and makes it look as good as you do. You can also choose between steel or aluminum bolts.
• Set of 5 male/female bolts
• Inside measures 4mm when tightened, 7mm total height

$35.99
With the conception of our Cane Creek eeWings Titanium crank set we cut no corners, and our CNC-machined preload assembly is no exception. The Cane Creek Crank Preloader is equipped with an aluminum preload ring, an aluminum inner thread ring, and a titanium 2.5mm hex fastening bolt. We are so proud of this piece of jewelry that we decided to design it to fit onto other 30mm crank spindles from SRAM and Raceface, and 28.99mm SRAM Dub Crank spindles. Lose the plastic preload on your crankset, add peace of mind.
- 7075 Aluminum thread ring
- 7075 Aluminum preload spacer adjuster
- Grade 5 Titanium 2.5mm hex fastening bolt
- Fits Raceface 30mm spindles, SRAM 30mm spindles, and SRAM 28.99mm DUB spindles

$11.99
Race Face Crank Arm Tab Spacers
• Spacers are used to protect the outer chainring tabs and enhance aesthetic when no outer ring or bashguard is used
• Fits all Race Face cranksets
• Use double bolts

$9.95
- Replacement bolt kits for mounting chain guides to ISCG and ISCG-05 frame tabs
- Kits include chainline adjustment spacers
- 8/12mm button head bolts for single ring steel backplate guide applications
- 10/16mm flat head bolts for single ring alloy backplate guide applications

$11.99
Trail riding can be tough on your gear. The ends of your alloy cranks can take a lot of abuse as the trail rushes underneath you and your bike. Protect your cranks from any damage with Race Face crank boots - now made in a smaller version to fit most alloy MTB cranks. Made from a durable Race Face proprietary plastic blend, leave no doubt and go with the originator in crank end protection. Wrap it up and protect the tips.
Compatible with:
- Race Face
- Turbine Cinch
- Atlas Cinch
- Atlas (24mm Spindle)
- Turbine (24mm Spindle)
- Aeffect Cinch (175mm length ONLY)
- Most other popular alloy MTB cranks (except some alloy DH cranksets)

$154.99
The Easton Spider and Ring assembly features the Cinch Direct Mount System, making a swap between ring configurations a fast and simple procedure. This system also provides a significant weight savings by eliminating the material overlap and extra bolt hardware that is required for a traditional spider with chainring configuration.
- EA90 Aluminum

$54.99
The absoluteBLACK premium crank bolt and bolt cover sets are designed to cover the small step down between chainring and crank arms.
- Designed to fit Shimano Ultegra 6800 cranks
- Includes 4 T30 Torx bolts and 4 bolt covers
- Not compatible with absoluteBLACK Sub Compact oval chainrings

$54.99
The absoluteBLACK premium crank bolt and bolt cover sets are designed to cover the small step down between chainring and crank arms.
- Designed to fit Shimano Dura-Ace 9000 cranks
- Includes 4 T30 Torx bolts and 4 bolt covers
- Not compatible with absoluteBLACK Sub Compact oval chainrings

$21.99
absoluteBLACK Chainring Bolts are used to mount chainrings to the crank arms. Bolts are crafted from 7075 T6 aluminum and hard anodized for durability.
- Bolts use a Torx T30 interface for greater reliability
- Long bolts are used for the following chainrings: 110 BCD 5-bolt outer and inner road oval, 130 BCD 5-bolt outer and inner road oval, 104 BCD oval 26/28/32t, 64 BCD round 26/28/30t, 94 BCD oval 30/32/34t, all CX round chainrings
- Set of 5

$29.95
Wolf Tooth's CAMO stands for Chainline and Material Optimization. Available in various chainlines and spider configurations, CAMO spiders allow the use of previously unavailable chainring styles, materials, and chainlines in a lightweight, modular, and customizable package. These spiders are for use with the SRAM cranksets that have removable Direct Mount spiders and are only compatible with CAMO rings and bolts. Four different chainline options are available. The number and letter refer to the mm offset and direction from the mounting face to the centerline of the teeth: - M8 (minus 8mm - dished toward the frame): For 49mm chainline, used with GXP and long-spindle BB30 cranks. Designed for bikes with 135mm QR, 142mm thru axle, and some 148mm bikes. - M5 (minus 5mm - dished toward the frame): For 52mm chainline (Boost) - M2 (minus 2mm - dished toward the frame): For 49mm chainline on short-spindle BB30 cranks - P2 (plus 2mm - dished outward away from the frame): For fat bikes that have 190/197 rear spacing but use a 100mm-spindle crank. Can also be used to achieve a Boost chainline with a short-spindle BB30 crank.

$29.95
Wolf Tooth's CAMO stands for Chainline and Material Optimization. Available in various chainlines and spider configurations, CAMO spiders allow the use of previously unavailable chainring styles, materials, and chainlines in a lightweight, modular, and customizable package. These spiders are for use with the RaceFace cranksets that have removable Cinch spiders/chainrings and are only compatible with CAMO rings and bolts. Three different chainline options are available. The number and letter refer to the mm offset and direction from the mounting face to the centerline of the teeth: - M8 (minus 8mm - dished toward the frame): For 49mm chainline, used with GXP and long-spindle BB30 cranks. Designed for bikes with 135mm QR, 142mm thru axle, and some 148mm bikes. - M5 (minus 5mm - dished toward the frame): For 52mm chainline (Boost) - P2 (plus 2mm - dished outward away from the frame): For fat bikes that have 190/197 rear spacing but use a 100mm-spindle crank
Page 1 of 5
Next page