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Drivetrain

Shimano's Ultegra 11-Speed Cassette delivers pro-level shifting and durability. The computer-designed tooth shapes and tough cogs mean you can shift quickly, precisely and smoothly even under pressure. Rider-tuned gearing options offer a range of cassettes to suit your riding style.
$0.50
RaceFace Crank Arm Fixing Bolts - M15
$1.26 - $69.90
- Hoods with (FD) are Flight-Deck compatible
$1.99 - $2.99
- Sunlite Cottered Pins
$1.99
- Crank dust cap - Works with most three-piece crank models
$2.51
- For Race Face 30mm Cinch System cranks only - Allows switching crank arms between bikes, such as a FatBike and an XC MTB - Use RF-2999 for 8mm to 16mm hex wrench adapter to remove spindle
$2.54
Race Face aluminum chainring bolts for inner chainrings. Includes four 12.5mm bolts.
$3.99 - $38.99
- 6061 Forged Alloy - Made to O.E.M. specifications - Correct hardness to reduce damage to frame upon impact
$4.49
Replacement spindle spacers for Race Face X-Type XC/AM cranksets.
$4.99
Tight tolerances and precise torque specs mean precision parts like this MegaExo 12 Left Arm Crank Bolt need to be replaced from time to time. Make sure the heart of your drivetrain is secure, and pick up a spare or two today.
$4.99
Race Face steel chainring bolts. Includes four sets of 12mm bolts/nuts for inner and outer chainrings.
$5.00
- 3-spline steel cogs for use with Sturmey 3-speed (and 5-speed) internal gear rear hubs - Flat or dished for tuning chainline. Xylan coating for greater durability
$5.39
Replacement spindle spacers for Race Face X-Type FR/DH cranksets.
$5.99
Spacers to insure proper chainline and chainring spacing on your bike. - 3.5mm thick - Material: alloy
$5.99
Race Face 15mm crank bolt/puller for 2008 and newer Evolve and Ride cranksets.
$6.00
M8 Capless Crank Arm Bolt Kit - For square-taper & Powerspline
$6.99 - $22.00
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.
$7.99
Dimension Steel Cogs are splined for BMX and singlespeed hub compatibility. - Steel with chrome finish - Cogs are splined for Shimano BMX and singlespeed hub compatibility - Compatible with 1/2-inch and 1/8-inch chains
$7.99
Problem Solvers Crank Arm Fixing Bolts - 8mm - Sold as a pair
$7.99
Shimano Tiagra 4700 Right STI Lever Name Plate and Fixing Screw
$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
$9.99
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)
$9.99
RaceFace CINCH Crank Bolt and Puller Cap Sets.
$9.99
CINCH Crank Bolt with Washer
$9.99
- Youth sized 1pc cranks - Pin style chainring retention - Accepts 1/2" pedals
$9.99 - $19.99
- Forged steel - 24 TPI
$9.99
• Forged steel • 6 1/2-inch • Compatible with 9/16" pedals • Left crank • Drilled for 9.5mm cotter pins
$9.99
• Forged steel • 6 1/2-inch • Compatible with 9/16" pedals • Left crank • Cotterless
$10.19
Secure your chainrings for your ride with Origin-8's Double/Triple Chainring Bolts. Made for inner triple chainrings, each set includes 5 male bolts to securly connect your chainrings to your crank.
$10.19 - $25.99
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
$10.19
- Chainring bolt sets are available in sets of four or five - Bolts have 5mm hex heads - Inner Length: M8x7.5mm Bolt (x4) / M8x7mm Nut (x4) - Material: Steel - Type: 1x
$10.19
- Chainring bolt sets are available in sets of four or five - Bolts have 5mm hex heads - Material: Steel - Type: 2x
$10.99
Race Face aluminum Torx chainring bolt/nut set for double and triple chainrings. Includes four bolt sets.
$10.99 - $30.00
• Easy-on, easy-off • Available in two chain widths and two colors • Available in six teeth sizes
$11.00
- Upper pulley has larger teeth for increased chain control
$11.89
Crank arm tip protectors for Origin8 Thruster Crank Arm Tip Protectors fit all Thruster Series MTB, Boost, and Fat cranksets. Grab a pair to protect your crank arm tips from abrasions and impacts.
$11.99
Trail riding can be tough on your gear. The ends of your carbon 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! Compatible with: - Race Face - Next SL Cinch (G3) - Sixc Cinch - Chester - Respond - Next/Next SL (24mm Spindle) - Sixc (24mm Spindle) - Most other popular carbon MTB cranks and assorted alloy DH cranks
$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
$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!
$11.99
- Bulk packed and poly bagged - Speeds: 5/6/7 - Max Tooth: 48 - Wrap: 20 - Swing: Bottom
$12.00
The MS25 twist shifter from microSHIFT is designed to be simple and easy to use. - Compatible with Shimano derailleurs - Left shifter is indexed
$12.00
SRAM’s cranks are strong and tough, ready for any kind of ride. So it’s inevitable that pedal strikes and debris will chip away at the end of the crank. SRAM’s Carbon Crank Boot is an upgrade that combats the wear and tear that comes with hard riding. The boot protects the crank from surface damage and keeps the rider’s style perfectly intact. - For Descendant Carbon and non-Eagle XX1 and X01
$12.95
- Lower slider replacement parts for E-13 chainguides
$12.95
- Service parts for E-13 chainguides
$12.99
M21 rear derailleurs are designed to work with 6- and 7-speed Shimano road and mountain shifters. Enjoy the wide variety of bikes you can get going again with M21 rear derailleurs. - Robust composite and steel construction - Compatible with Shimano 6- and 7-speed mountain and road systems - Long cage for double or triple cranksets and 32T max cassette cog - Includes frame hanger attachment for use with older frame designs
$12.99
M21 rear derailleurs are designed to work with 6- and 7-speed Shimano road and mountain shifters. Enjoy the wide variety of bikes you can get going again with M21 rear derailleurs. - Robust composite and steel construction - Compatible with Shimano 6- and 7-speed mountain and road systems
$12.99
MS-series twist shifters are quantity-tested, easy to use, and quick to setup. - Includes shift cable - Indexed left shifter works for double or triple
$12.99 - $20.99
Compatible with most Shimano drivetrains, microSHIFT thumb tap shifters have durable bodies with ergonomic shift levers that make it easy to get bikes going again. - Include shift cables - Visible gear indicator
$12.99
Spacers to insure proper chainline and chainring spacing on your bike. • 0.6mm thick • Sold in a bag of 20 spacers
$12.99
• 5/6/7-speed rear derailleur • Highly affordable and reliable • SHIMANO Equivalent RD-TY21 / RD-A070 • 301 grams
$12.99
• 5/6/7-speed rear derailleur • Highly affordable and reliable • SHIMANO Equivalent RD-TY21 / RD-A070 • 301 grams
$13.99
- M30 cap with self-extracting crank bolt and washer - Compatible with 2013 and newer FSA Gossamer cranks
$13.99 - $54.99
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)
$13.99
- 42-34-24t and 48-38-28t compatible, suitable for most Shimano 3x7/8sp drivetrains - Top swing with alloy base bracket/clamp - Dual pull design is convertible between top-pull and bottom-pull cable routing - Multi-clamp insert converts the 34.9mm clamp to fit 31.8mm and 28.6mm seat tubes - For standard 66-69 degree chainstay/seat tube angles - 143g
$13.99
- 13-30T - Indexed Adjuster - Weight: 230g-270g
$13.99
- 5-speed freewheel - 14 – 28T
$13.99 - $24.99
• Square taper interface • Only includes left crank
$13.99 - $15.19
- Indexed replacement twist shifters for triple chainring drivetrains - Shimano-compatible (2 to 1 ratio) - Shimano Equivalent: SL-RS45 / SL-RS35
$14.00 - $16.00
SRAM's 3.0 Twist Shifters are simple to use and offer solid shifting and reliable construction. Using SRAM's 1:1 actuation ratio technology, the 3.0s are easy to set up and easy to adjust. Plus, with a simple twist of the wrist, you can shift a handful of gears at once.
$14.00 - $18.00
SRAM's MRX Comp Twist Shifters are simple to use and offer solid shifting and reliable construction. They shift a 2:1 Shimano rear derailleur.
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