Shimano BB-RS501 Hollowtech II English Bottom Bracket

Shimano BB-RS501 Hollowtech II English Bottom BracketShimano BB RS501 Hollowtech II English Bottom Bracket. The 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 TECH SPECS Bottom Bracket Shell I. D. 1. 37 BB Frame Interface English BB Shell Width (mm) 68 Weight 93 Spindle Interface Type Shimano Hollowtech

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