Shimano BB-RS501 Hollowtech II Italian Bottom Bracket Defined Color-Green progressive increase in density toward

progressive increase in density toward the outside

280mm spoke weighs 9

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Compound Organic Pad Shape Number 36 Designed for ebike Yes Heat Sink No Backing Plate Material Steel

Shimano BB-RS501 Hollowtech II Italian Bottom Bracket Defined Color-Green progressive increase in density towardShimano BB RS501 Hollowtech II Italian 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. 36 BB Frame Interface Italian BB Shell Width (mm) 70 Weight 93 Spindle Interface Type Shimano Hollowtech II