Shimano BB-RS501 Hollowtech II Italian Bottom Bracket CheckoutTitle=Hope Pick'n'Mix Headset Lower Assembly H 4Mm Handlebar Width 28'' Color

4Mm Handlebar Width 28'' Color Black

truncated-ellipse aero tube shapes

Micro-knurled side block

6 upper/lower upper stack 15mm color black weight 48g

Shimano BB-RS501 Hollowtech II Italian Bottom Bracket CheckoutTitle=Hope Pick'n'Mix Headset Lower Assembly H 4Mm Handlebar Width 28'' ColorThe 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