Drivetrain System (60)

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:...

Option: 1, Crankset only 2, Crankset + BB: Come with SM-BBR60 bottom bracket (BSA) —————————————————————————— Model: FC-R7100 Level: 105 Color: Black Speed: 2x12 Speed Chainring: 52-36T Compatible chain: HG 12-speed...

Model: CS-HG400-7 Speed: 7 Speed Compatible chain: IG, HG 8/7/6-speed Teeth: 11-13-15-18-21-24-28T     Weight: approx 227g CS-HG400-7 cassette sprocket has a premium-plated design and is compatible with the widely used...

Option: 1, Crankset only 2, Crankset + BB: come with Prowheel original bottom bracket —————————————————————————— Item 1: Crankset  Brand: Prowheel  Series: Ounce Color: Black Crank arm material: Aluminum alloy AL-6061-T6 ...

Model: SM-BB72-41B Type: Press-Fit Shell Width: 86.5mm Axle Diameter: 24mm (Hollowtech II) Weight: approx 69g Compatible for cranket model: FC-R7100,FC-R8100,FC-R9200,FC-RS520... Sealed cups keep out dirt and water Maintenance free High...

Option: 1, BSA thread (68mm): BB-R9100 BSA/English Threaded Shell (68mm width) 2, ITA thread (70mm): BB-R9100 Italian Threaded Shell fits (70mm width) —————————————————————————— Model: BB-R9100 (BSA thread) Type: BSA/English Threaded...

Model: CN-HG54 Speed: 10 Speed Links: 116 Links Type: HG-X Pin link plate: Gray Roller link plate: Brown Weight: approx 300g HG-54 is a directional Super Narrow HG-X chain with...