Rotor BSA30 Ceramic Bottom Bracket Cups BSA-68-30

The high-quality Rotor BSA30 Ceramic bottom bracket cups allow the installation of 3D+ cranks with integrated 30mm axles in classic BSA threaded frames. High-quality Enduro silicone seals ensure buttery-smooth operation with unparalleled protection against dust, water and mud. It's the elegant new cup design which offers a sleek, modern look combining striking angles with smooth curves. The BSA30 cups are not compatible with BB90 and BB89 frames! Material: bearing cups: 7075 aluminium T6 bearings: ceramic Weight supplement: manufacturer information