SRAM PressFit 30 Alloy Bottom Bracket - 73mmSRAM PressFit 30 Alloy Bottom Bracket 68 92mm Taking inspiration from the popular BB30 model, the PressFit 30 Alloy Bottom Bracket from SRAM gives you the best of both. Constructed from durable alloy, the seal is pre assembled into the cups for long lasting quality. The key difference with PressFit 30 is how the bearings are fitted into the frame. Bearings are housed in nylon cups which will be pressed into the frames bottom bracket shell. This bottom