Filter By:
- Parts (198)
- Accessories (2)
- Show More Brands
- Show Fewer Brands
- Show More Sizes
- Show Fewer Sizes
- Show More Model Years
- Show Fewer Model Years
Drivetrain Components
Innovation often comes from places you‘d least expect.
Now that we have achieved total drive train nirvana, we will continue to seek and deploy technological and engineering advancements, as we compulsively refine and redefine the pinnacle of the ultimate ride.

$31.99 - $33.99
- MODEL NO: CS-HG400-9
- SERIES: SHIMANO ALIVIO M4000 Series
- Compatible chain: HG 9-speed
- Speeds: 9-speed
- Type: HG

$410.00
Pairing the versatile GXP bottom bracket platform with hollow carbon Exogram arms, the SRAM RED crankarm assembly is light, strong, and elegant. It can be paired with any SRAM AXS spider or integrated chainring, with or without power meter.
- 8-bolt interface compatible with power and non-power AXS spiders and integrated chainrings
- Hollow Exogram carbon arms
- BB/Spider/Chainrings not included

$74.99 - $89.99
Shimano's Ultegra 10-Speed Cassette delivers pro-level shifting and durability. The computer-enhanced tooth shapes and tough cogs mean you can shift quickly, precisely and smoothly even under pressure.

$23.99
The Tourney TY501 crankset provides crisp, reliable shifting for your triple chainring drivetrain.
- Precision indexed shifting
- 8/7/6-speed compatible
- 3 crank length specification available
- Precise chain line control
- Light and reliable shifting
- Versatile performance
- Wide compatibility with multiple components
- Quick and precise assembly

$56.00
SRAM’s premier 10-speed chain features hollow pins and cut-out outer plates for accurate shifting in all conditions, light weight, strength and smoothness. Plus, it's compatible with all industry-standard 10-speed systems. And, with its great PowerLock connecting link, installation and removal is a snap.

$15.99
Shimano's Tourney long cage rear derailleur incorporates advanced Shimano functions and styling that sets the standard for entry level components.
- TY model comes with resin bracket and plate body for reduced weight
- Zinc-plated adjustment screws for corrosion resistance
- MegaRange compatible
- Includes frame hanger
- Maximum cog size: 34t
- Total capacity: 43t

$368.00
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.
- 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)
- BB not included

$18.00
The PC-951 is SRAM's most economical PowerChain and maintains their high standards of quality. It boasts tough chrome-hardened pins for durability and accurate shifting. And, with its great PowerLink, you don’t even need tools to install it.

$27.00
When it's time to replace your old 8-speed cassette, check out SRAM's PG-850. Its steel construction and SRAM's PowerGlide technology combine to deliver miles of solid shifting and outstanding durability.

$27.99
Shimano's BB-UN55 Square Spindle Bottom Brackets are the unofficial standard for English-threaded cartridge bottom brackets. Quality, value, and durability come together to keep you cranking for many, many miles.
- Fits JIS Square-Taper Cranksets
- Hollow spindle
- Crankarm fixing bolts not included

$13.00
SRAM's PC-1 Single Speed Nickel Chain is designed for singlespeed bicycles so it won't jump off when you're laying down the power. It comes with a connector link for easy installation and removal.

$15.00
- For either front or rear shifter
- Road & MTB compatible
- 1.1 polished stainless steel cable

$50.00 - $55.00
- Super-light chain for use with 10-speed Campagnolo/Shimano/SRAM (Gold color is Ti Nitride coating)
- Use: Mountain/Road
- Size: 1/2 x 11/128-inch
- Width: 5.9mm
- Weight: 252g
- 116 links

$45.00
SRAM's Guide Hydraulic Line Kit is a replacement hose kit for all Guide brakes.
- Compatible with SRAM Guide R, RS, RSC, and DB5 brakes
- Length: 2000mm

$479.00
The new SRAM DUB crank standard, built on a 28.99mm spindle, allows for a more contamination-resistant BB design while retaining the ultra-efficient & long-lasting qualities CeramicSpeed Bottom Brackets are known for.
With an integrated dust cover for all models, the snug & secure fit not only fully protects the face of the bearing, but also delivers exceptional performance without any sacrifices. CeramicSpeed hand-built bearings carry the load from crank to frame with unparalleled durability & efficiency.
The SRAM DUB crank spindle requires the bearing contact points to be in a set and designated width, and all CeramicSpeed bottom Bracket options perfectly match the bearing placement on the crank spindle with the required frame interface for nearly any model of bike. Without the use of unnecessary adapters or spacers, a quiet & stable platform is ensured throughout the life of the product.
The PF30 for SRAM DUB Road comes in two versions. One version uses our low-drag, long-life Standard Bearing with hardened-steel races and our super-round CeramicSpeed balls. The second version uses our Coated Bearing, which uses those same balls installed on coated, hardened-steel races for longer life and less bearing drag.
Compatible with:
- Frame: PF30
- Opening diameter: 46mm
- Shell width: 68mm
In the box:
- 2 cups with CeramicSpeed Bearings installed
- 2 dust covers
- Spacer-tube
- 4 x 1mm spacers
- 10ml syringe of CeramicSpeed All Round Grease
- Sticker sheet

$52.99
Super Narrow SIL-TEC HG-X11 Chain (11-speed)
FEATURE
- Rear drive Smooth driving without noise
- Front drive Preserve chain security at cross chainline
- Front & Rear Shift Smooth and reliable shifting
BENEFIT
- HG-X11 special asymmetric plate design for 11-speed
- Weight: 247g (114Link)
- SIL-TEC on Plate/Roller
- Hollow pin
- Weight: 247g (114Link)

$34.99
The Shimano Altus rear derailleur brings Shadow technology and wide-range capability to 9-speed drivetrains
- B tension spring for quick and easy wheel installation and removal
- Super low-profile concept with SHADOW mechanism
- Wider linkage ensures durability and more precise shifting
- Easy adjustment and maintenance
- Direct mount compatible
- Maximum cog size: 36t
- Total capacity: 45t

$225.00
Wireless shifting and the best hydraulic disc braking anywhere, plus revolutionary eTap shift logic. What more could you want? While we could have stopped there, we went further and optimized the hood shape to fit hands of all sizes for comfortable and controlled braking from any position. AXS technology means personalization is in your hands.
- AXS-enabled for easy personalization
- Wireless electronic eTap shift logic for intuitive shifting, easy setup, and reliability
- Optimized hood shape fits a wider range of hand sizes
- Textured shift paddles and hoods for control and comfort
- Reach Adjust to personalize fit for more hand sizes

$195.00
The precision and reliability of eTap AXS, now at a whole new level. The Rival eTap AXS front derailleur is optimized for X-Range chainrings and uses Yaw technology, so there's no need for trim.
- Wireless electronic eTap shift logic for intuitive shifting, easy setup, and reliability
- AXS-enabled for easy personalization
- Crisp and accurate front shifts
- SRAM Yaw trimless cage technology optimized for use with 46/33T or 48/35T X-Range chainrings
- Designed for standard chainline eTap AXS cranks
- Battery Not Included

$50.00
- Unique link shape creates a lighter, quieter, stronger chain.
- Flattop technology allows for a narrower chain with quieter operation and increased strength and durability
- Hard Chrome plated inner and outer plates for faster and more precise shifts

$146.00
Some riders test their limits more than others. For these riders, the GX Eagle DUB crankset allows them to go all in, every day they ride. The best aluminum crankset we make, engineered to deliver consistent performance every ride. Featuring our X-SYNC 2 tooth profile chainring for complete chain control. Each tooth's thickness is toleranced and controlled to work seamlessly with the chain's inner and outer links. DUB technology's patented spindle design and bottom bracket provides a uniform approach to fitment, better sealing, and forward and backward compatibility. Simply put, the forged aluminum GX Eagle DUB crankset is the no frills choice of riders who know.
- Our best aluminum crankset
- Direct mount interface compatible with chainrings across the entire Eagle Ecosystem
- Master GX colorway as part of Eagle Colorsystem pairs with all cassettes and chains, from Black to Gold to Rainbow to HardChrome and all-new Copper

$157.99 - $169.99
The Shimano 105 double crankset balances weight and efficiency without sacrificing stiffness. It offers Rider Tuned performance with numerous gear combinations, and the wider gear pitch increases chain clearance with small gearings and allows for as short as 410mm chain stays.
- Hollowtech II construction
- 11-speed
- 110mm Shimano Asymmetric BCD

$21.99
Shimano Tourney SL-RS45 shift lever delivers easy and reliable shifting for all riders. The Revoshift shifter allows riders to maintain a secure and stable grip on the handlebar by requiring just a twist of the thumb and index finger for shifting.
- Twist shifter
- Optical gear display
- Includes SIS40 shift cable set
- Stationary grips not included

$249.00 - $420.00
Riders want more range and closer steps between gears—and that’s the driving design principle of the SRAM Force crankset. It offers smaller chainrings with a consistent 13-tooth gap between size variants, delivering smooth, accurate, and dependable shifting for the modern rider. Always find the sweet spot.
- X-Range gearing technology gives you more range and a smoother gear progression, so you’re always in the right gear
- Crisp and accurate front shifts
- DUB bottom bracket adds durability and simplicity
- Can be upgraded to a power meter

$24.00 - $91.00
Original equipment on SRAM and Truvativ cranks, these chainrings also work well with other drivetrains.
- 104mm BCD
- Material: Aluminum

$20.99 - $44.99
The Shimano EF500 8-Speed dual brake/shift lever features reach adjust technology and an optical gear display.
- Equipped with a reach adjust mechanism that allows for the distance from handlebar to lever to be adjusted in order to suit any hand size and riding preference
- The optical gear display tells you which gear position is selected while riding
- Compatible with V-Brake, Mechanical disc brake (MTB)

$86.99 - $93.99
- High-performance gear combinations provide superior rider choice
- Hub body to fit a variety of bikes from MTB to road
- Model Number: CS-HG800-11
- Series: Shimano
- Average Weight: 335 grams

$554.00
True competitors are always looking for a performance advantage—a relentless pursuit of equipment that is lighter, stiffer, stronger, and more durable. To create the best drivetrain possible, we re-examined and re-engineered our crankset design. Our all-new XX1 Eagle CARBON TUNED crankset is our lightest, stiffest, and strongest to date. DUB technology enhances this by simplifying the relationship of the spindle to the bottom bracket and redefining the measure of durability. DUB-powered cranksets deliver simplicity, compatibility, and durability.
- DUB technology delivers the lightest, stiffest, and strongest crankset available
- SRAM CARBON TUNED crank technology provides extreme stiffness and low weight
- The X-SYNC 2 chainring provides significantly quieter performance with better mud clearing and extraordinary durability
- New colorway is matched to work with XX1 Eagle AXS-enabled componentry

$151.00
- X-Range gearing technology gives you more range and a smoother gear progression, so you're always in the right gear
- Specially designed tooth profiles for improved wear
- More durable finish
- Bolt Circle Diameter (BCD): 107 BCD
- Speeds: 12
- Material: Aluminum

$165.00
Shimano's Ultegra 6800 chainrings provide confidence-inspiring shifting and category-defining speed. Cold-forged aluminum comprises these super-stiff, hollow outer rings, and Shimano's unique system of ramps and pins means lightning fast shifts are at your command.
- Bolt circle diameter: 4-bolt 110mm asymmetric
- 50T pairs with 34T inner ring
- 52T pairs with 36T inner ring
- 53T pairs with 39T inner ring
Inner rings sold separately
Page 1 of 7
Next page