【Functionality Rides High】TRiPEAK steel bearings offer extreme durability and high performance efficiency, specially for off-road rides. Waterproof, dustproof, and efficient BB keeps the wheels rolling for miles and miles before you ever stop.
【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.
【Crankset Compatibility】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.
【Engineered for Perfect-Fit】Easy install, patented cup structure offers precise, solid fit to your frame. Ultimate protection from installation damage including wearing, deformation on carbon frames.
【Stiffer and Better】TRiPEAK steel bearing balls are 120% harder, 68% stiffer and 16 grams lighter compares to SHIMANO Dura-Ace BB-R9100.