Drivetrain System (105)

Option:  1, Crankset only 2, Crankset + BB: come with 68x113mm bottom bracket —————————————————————————— Item 1: Crankset Series: Jiankun WTU Color: Black Speed: 2×7/8/9 Speed Crank arm material: Aluminum alloy...

Option:  1, Crankset only 2, Crankset + BB: come with 113mm bottom bracket —————————————————————————— Item 1: Crankset Brand: Prowheel Color: Matte Silver Speed: 1×7/8/9 Speed Chainring: 46T Arm length: 170mm...

Model: FH-M4050 Level: Alivio Color: Black Axle: Quick release  Spoke hole: 32 holes Brake type: CENTER LOCK disc brake Rear speeds: 8/9/10/11 Speed(MTB) O.L.D. (mm): 135mm Rear hub only, come...

Model: Sram PG850 Speed: 8 Speed Teeth: 11-28T Weight: approx 240g Shimano / Sram compatible Cassette performance is optimized by material choice, tooth profile and shift ramp design for quick...

Model: CS-HG700-11 Speed: 11 Speed Color: Silver Compatible chain: HG-EV, LINKGLIDE, HG 11-speed Teeth: 11-34T (11-13-15-17-19-21-23-25-27-30-34T)     Weight: approx 380g High performance rider tuned gearing Compatible with GS cage rear...

Brand: Sram Level: SX EAGLE Speed: 12 Speed Links: 118 Links Inner link color: Brown Chain Connector: PowerLock Weight: approx 270g Easy install, PowerLock chain connector for a secure chain...

Option: 1, BSA thread (68mm): SM-BBR60 BSA/English Threaded Shell (68mm width) 2, ITA thread (70mm): SM-BBR60 Italian Threaded Shell fits (70mm width) —————————————————————————— Model: SM-BBR60 (BSA thread) Type: BSA/English Threaded...

1, Crankset only 2, Crankset + BB: come with BB-RS500 or BB-RS501 BSA bottom bracket —————————————————————————— Model: FC-RS520 Color: Black Speed: 2×12 Speed Chainring: 50-34T  Feature: 2-PIECE CRANKSET Compatible chain:...