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- Chains (28)
- Chainrings (13)
- Cassettes/Freewheels (31)
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- Bottom Brackets (19)
- Derailleurs (19)
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Drivetrain
Modern drivetrains are marvels of engineering, and we have the marvelous goods to repair or upgrade your bike.

$118.65
Thread together BB for 386EVO frames and 24mm diameter spindle cranks. Machined aluminum cups thread together for stability, increased bearing life, and simple installation and maintenance. No more creaking. Smooth operation. Fast bearing replacement.
- Bearings: Enduro ABEC-3
- Bottom Bracket/Frame Interface: BB386EVO, BB392EVO
- Bottom Bracket Shell Width (mm): 86mm - 92mm
- Bottom Bracket Shell I.D.: 46mm
- Crank Spindle Diameter: 24mm
- Over Bearing Width: 91.5mm in 86.5mm wide shell
- Over Bearing Width Dimensions include supplied silicone dust shields
- Weight: 133g
Compatible with the following Bottom Bracket Standards (46mm BB shell ID, 86 – 92mm wide BB shell) and 24.00mm diameter spindle cranks:
- BB386EVO
- BB392EVO

$118.65
The Wheels Mfg BB30 Outboard bottom bracket will give you all of the same benefits as their other Outboard style BBs. The two machined aluminum cups thread together ensuring the bottom bracket remains stable in the frame, increasing bearing life, and simplifying maintenance. This means no more creaking, smoother operation, longer bearing life, and really quick bearing replacement. Specifically designed for installing 24mm spindle diameter cranks (Shimano, FSA, Etc.) in BB30 frames without the need for adapters. - Bearings: Enduro ABEC-3 - Color: Red - Bottom Bracket/Frame Interface: BB30, Specialized Alloy OSBB - Bottom Bracket Shell Width (mm): 68mm - 73mm - Bottom Bracket Shell I.D.: 42mm - Crank Spindle Type: Shimano Hollowtech II, FSA MegaExo, RaceFace EXI - Crank Spindle Diameter: 24mm - Weight: 130g

$9.99
This Wheels Manufacturing Hollowtech II Crankarm Fixing Bolt For Late Model Shimano Road Cranks and LX keeps your Shimano crankset with 24mm spindle nice and snug. It is required to achieve perfect bottom bracket bearing preload.

$118.65
The Wheels Mfg PF30 Outboard bottom bracket will give you all of the same benefits as their well-loved Outboard style BBs. The two machined aluminum cups thread together ensuring the bottom bracket remains stable in the frame, increasing bearing life, and simplifying maintenance. This means no more creaking, smoother operation, longer bearing life, and really quick bearing replacement. Specifically designed for installing 24mm spindle diameter cranks (Shimano, FSA, Etc.) in PF30 frames without the need for adapters. - Bearings: Enduro ABEC-3 - Color: Red - Bottom Bracket/Frame Interface: PF30, Specialized Carbon OSBB - Bottom Bracket Shell Width (mm): 68mm - 73mm - Bottom Bracket Shell I.D.: 46mm - Crank Spindle Type: Shimano Hollowtech II, FSA MegaExo, RaceFace EXI - Crank Spindle Diameter: 24mm - Weight: 161g

$144.25
PF30 Threaded bottom bracket features two machined aluminum cups that thread together ensuring the bottom bracket remains stable in the frame, increasing bearing life, and simplifying maintenance. This means no more creaking, smoother operation, longer bearing life, and really quick bearing replacement. Directly replaces all OEM PF30 bottom brackets. Note: Use only bottom bracket tools compatible with 16-notch, 48.5mm outer diameter cups. - Bearings: Enduro Angular Contact - Color: Black - Bottom Bracket/Frame Interface: PF30, Specialized Carbon OSBB, BBRight™ Press Fit - Bottom Bracket Shell Width (mm): 61mm to 79mm - Bottom Bracket Shell I.D.: 46mm - Crank Spindle Type: BB30 - Crank Spindle Diameter: 30mm - Weight: 114g

$49.99
Striking the balance between light weight, long life and durability, TruVativ's Giga Pipe Team SL Bottom Bracket uses 3 sealed cartridge bearings to provide smooth pedaling season after season. For serious strength, the Giga Pipe boasts CNC-machined aluminum cups and a stiff chromoly spindle, too.

$12.99
- Prevents chain derailment when shifting to inner ring
- Adjustable hose-type clamp fits 1-1/8" to 1-3/8" seat tubes

$12.99
- One-piece bottom bracket cup set
- Bearings included
- Fits smaller american juvenile/youth sized BB
- Shell: 65mm
- Cup Material: Steel
- Weight: 173 grams

$14.99
- One-piece bottom bracket cup set
- Bearings included
- Shell: 68mm
- Spindle Type: OPC
- Cup Material: Steel
- Weight: 265 grams

$24.99 - $28.99
• Easy-on, easy-off
• Available in two chain widths and two colors
• Available in six teeth sizes

$39.99
• 6/7/8-speed MTB crankset
• Square taper interface
• Coated steel arms/riveted steel chainrings
• Includes plastic chainguard
• Does not include BB
• Weight: 1465 grams

$64.99 - $69.99
Shimano's 105 10-Speed Cassette delivers excellent shifting and durability. The cogs are made of long-lasing, smooth-running steel. They have Shimano's engineered tooth shapes for precision shifting. And for lightness, the cassette has an aluminum carrier for the top cogs and nylon spacers.

$64.99 - $69.99
- Shimano 105 R7000 Series CS-R7000 11-speed cassette
- Average weight: 284 g (11-28T), 304 g (11-30T), 320 g (11-32T), 269 g (12-25T)
Combinations:
- 11 – 28T: 11-12-13-14-15-17-19-21-23-25-28T
- 11 – 30T: 11-12-13-14-15-17-19-21-24-27-30T
- 11 – 32T: 11-12-13-14-16-18-20-22-25-28-32T
- 12 – 25T: 12-13-14-15-16-17-18-19-21-23-25T

$33.99 - $45.00
- MODEL NO: CS-HG400-9
- SERIES: SHIMANO ALIVIO M4000 Series
- Compatible chain: HG 9-speed
- Speeds: 9-speed
- Type: HG

$26.99 - $27.99
Shimano Altus M2000 Series 9-speed cassette.
Combinations:
- 11 – 32T: 11-13-15-17-19-21-24-28-32T (bo)
- 11 – 34T: 11-13-15-17-20-23-26-30-34T (bn)
- 11 – 36T: 11-13-15-17-20-23-26-30-36T (bw)

$44.99
Shimano Altus M311 cranksets provide durability and reliable shifting for triple chainring drivetrains.
- Hyperdrive SG-X chainrings
- 7/8-speed compatible
- Spindle interface type: Square Taper JIS

$51.99 - $64.99
Shimano Acera FC-M361 cranksets feature sturdy construction, reliable shifting, and replaceable chainrings.
- Spindle Interface type: Square Taper JIS

$24.99
Shimano BB-ES300 Octalink V2 Bottom Brackets
- Fits Shimano Octalink V2 Spline Cranksets
- Crankarm fixing bolts not included

$24.99
- Simple and reliable square taper bottom bracket
- Replaces both BB-UN26 and BB-UN55
- Sealed cartridge bearings
- Cr-Mo axle
- For bicycles equipped with a chain case, select BB-UN300-K
- For E-type front derailleur compatibility, choose BB-UN300-E
- Fixing bolts not included; Shimano FC-E6000 bolts suggested

$31.99
SHIMANO DEORE - 126 links for HG 12-SPEED - MTB Chain
The M6100 chain provides smooth shifting and enhanced chain retention thanks to an extended portion of the inner plate. The new chain features QUICK-LINK assembly and is optimized for HYPERGLIDE+ cassettes and DYNAMIC CHAIN ENGAGEMENT+ chainrings.
- Proprietary design ensures smooth shifting and strength
- Extended inner plate improves chain engagement and retention
- Shorter shift times and less pedaling shock
- Optimized to work with HYPERGLIDE+ cassette sprockets and DYNAMIC CHAIN ENGAGEMENT+ chainrings

$29.99
- MODEL NO: CS-HG41-7
- SERIES: SHIMANO
- Combination: 11-13-15-18-21-24-28T (ac)
- Combination name(Group name): 11-28T (ac)
- Compatible chain: IG/HG
- Speeds: 7-speed
- Type: HG

$44.99
Claris HG50 cassettes ensure a durable and low maintenance system that's easy-to-operate, with accurate and light-action shifting for Shimano 8-speed drivetrains.
- Nickel plated finish for corrosion resistance
- Steel lock ring
- MODEL NO: CS-HG50-8
- SERIES: SHIMANO CLARIS R2000 Series
- Compatible chain: CN-HG71
- Speeds: 8-speed
- Type: HG
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