Rotor BSA30 Steel Bottom Bracket Cups BSA-68-30 - black

The Rotor BSA30 bottom bracket cups allow the installation of 3D+ cranks with integrated 30mm axle 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 T6 aluminium bearings: stainless steel Weight supplement: manufacturer information