SHIMANO BB-RS501 BSA HOLLOWTECH II BOTTOM BRACKET trek kids Run times: high 1

Run times: high 1

the GRANIT™ WBA 100 Wall/Floor Anchor is so strong when installed properly

2 pcs  high brightness LED

Weight: 370 g

Anti Rotation

SHIMANO BB-RS501 BSA HOLLOWTECH II BOTTOM BRACKET trek kids Run times: high 1The BB RS501 from Shimano is a high quality bottom bracket for frames to BSA standard with 68 mm housing width. Usable is the Shimano BB RS501I with BSA thread for Hollowtech II cranksets with 24 mm shaft. Specification Use: Road, Cyclocross, City, Gravel Model: BB RS501 BB Type: HOLLOWTECH II (24mm) Threaded: BSA Threaded BB shell width: 68mm Shell diameter: BSA (BC 1. 37) Mounting: screwed Compatibility TIAGRA FC 4700, FC 4703 SORA FC 3550, FC 3503,