Bike Parts Shimano Bottom Brackets | Shimano Tiagra Rs501 Bottom Bracket Silver

Developed For The Demands Of Road Cycling, The Shimano Tiagra Rs501 Bottom Bracket Features Threaded Cups And Externally Positioned Bearings. This Ensures Extra Durability And Combines With Hollowtech Ii Road Bike Chainsets For Efficient Power Transfer.

The Strong And Durable Shimano Tiagra 4700 Bottom Bracket Is Designed For Use With 2-Piece, Cap-Free Road Chainsets. Incredibly Easy To Install, This Bottom Bracket Also Benefits From A Minimal Bearing Interface, Ensuring An Incredibly Smooth Ride Wherever The Road Takes You.