Shimano BB-RS501 Hollowtech II Italian Bottom Bracket MFPN=HB21-32351080-BK 5% accuracy provides your true

5% accuracy provides your true watts output

Compact with long cord and support

These wheels are an Italian masterpiece refined through rigorous testing and proud craftmanship to be a leader in their space

Model Solix Road Description XDR Complete Freehub Freehub Type XDR

Shimano BB-RS501 Hollowtech II Italian Bottom Bracket MFPN=HB21-32351080-BK 5% accuracy provides your trueThe Shimano BB RS501 bottom bracket features an enhanced seal construction to provide long lasting performance and service life. Designed for a perfect fit with Hollowtech II 24mm crank spindles Anodized aluminum cups are high strength and light weight Bottom Bracket Shell I. D. 36 BB Frame Interface Italian BB Shell Width (mm) 70 Weight 93 Spindle Interface Type Shimano Hollowtech II Defined Color Silver keyword search RS 500 Interface Italian