🚲Made of High-strength aluminum alloy,CNC Machining,Durable
🚲Hiht quality bearing, sealed and waterproof, more effortless riding,more with significantly less friction
🚲Shell width: Fits 68/73mm English (BSA) bracket shells, interchangeable between SHIMANO BBR-60, BBR-9100, ROTOR BB1 Road, CeramicSpeed BSA, FSA BB-6000 MegaExo and more with significantly less friction.
🚲Fits 24mm spindles, 100% compatible with SHIMANO DURA-ACE, TIAGRA, ULTEGRA, GRX, 105 HOLLOWTECH II, FSA MegaExo, ROTOR ALDHU/3D/3D24, RaceFace EXI crankset series, etc.
🚲Easy to install: Smooth rotation, easy installation and operation.