CeramicSpeed BB30 Bottom Bracket for Shimano Road Standard Bearing Bike Accessories_Bike Locks 5mm wide and mate most

5mm wide and mate most cranks with a 30mm spindle to that standard

Rubber XC racing pattern outsole promotes stable pedal engagement and secure walking grip

allowing riders to effortlessly navigate changing gradients and terrain conditions

making it suitable for long rides and endurance cycling

Full-length center recess

CeramicSpeed BB30 Bottom Bracket for Shimano Road Standard Bearing Bike Accessories_Bike Locks 5mm wide and mate mostThe BB30 standard opened up design possibilities for frames. Adapting it for Shimano cranks takes a special machined aluminum threaded bottom bracket that threads into itself. Ours are finished with CeramicSpeed Bearings. You have two choices in terms of bearings. The first choice is our low drag, long life standard bearing, with hardened steel races and our super round CeramicSpeed Balls. The second choice is our coated bearing, which uses those same