CeramicSpeed Bottom Bracket ITA Shimano
BSA is another way of stating English threading; it comes from British Standard Cycle. Italian threading on road bikes This kit works with 24mm diameter thru-axle cranks, found on Shimano, FSA, Rotor, among others.
Choose between two bearings for the cups. Standard Bearings have low drag thanks to hardened-steel races and our Ceramic balls. Coated Bearings have those same balls installed on coated, hardened-steel races for longer life and less bearing drag.