【Less the Drag, Faster the Ride】Featuring TRiPEAK ceramic bearings for ultra smooth and all quiet riding experience with the utmost durability. Friction minimized. Stiffness maximized. Guaranteed efficiency for power transfer.
【Shell Width】Fits 68/73mm T47 bracket shells 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.
【Lighter Yet Stiffer】Ceramic Bearing offers 58% reduction in weight while boosts 68% of structural stiffness. Results in 16 grams lighter than SHIMANO BBR-60.