Shimano BB-RS501 Hollowtech II Italian Bottom Bracket CheckoutSpec= ZS44/28.6|EC44/40 Red - Fits 12-notch threaded bottom

- Fits 12-notch threaded bottom bracket tool fittings with a major diameter (outside of notches) of 45–47mm and a minor diameter (inside of notches) of 44mm

Twist toepiece to remove

strength and long-term durability for everyday riding

4" Casing Multi-layer Nylon and Reinforcement Layer TPI 60 Compound Race Formulation Graphene + Silica Bead Folding Type Tubeless Color Black Weight - E-Bike E25

Shimano BB-RS501 Hollowtech II Italian Bottom Bracket CheckoutSpec= ZS44/28.6|EC44/40 Red - Fits 12-notch threaded bottomThe 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