Shimano SORA BB-RS500 TIAGRA Threaded Bottom Bracket 68/70 mm shell widthShimano Beraing BB Set BB RS500 Bottom Bracket Shimano BB RS500 BSA, The bottom bracket is equipped with a new sealing structure for long lasting performance. Model No: BB RS500. Fits Shimano Hollowtech II Cranksets Connection type: Hollowtech II 2 piece. New seal construction Axis length box diameter: 68mm. Threading: English, External Threaded Material: aluminum Weight: 73g

painted housing

Shimano MT200 Disc Brake

Clamp band Diameter (mm)           : 23

Weight: 355g ± 10g

Material：Aluminum/Alloy

and 50-34T chainring options and 160

• Largest Cog: 34T

Larger thumb-press improvement offers you comfortable grip

• Designed for severe conditions

Wide connection design

Total capacity: 37T

Cable: Inner Cable only