SRAM PF30 68/92mm, BB30A, BBRight, BB386 Bottom BracketSRAM PF30 68MM 92MM, BB30A, BBRIGHT, BB386 BOTTOM BRACKETS We at SRAM saw the opportunity to make a better press fit system where all the best from BB30 and PressFit bottom brackets would be combined into one captivating package. PressFit 30 will feature an integrated seal, pre assembled into the cups, to further prolong bearing life. The key difference with PressFit 30 is how the bearings are fitted into the frame. Bearings are housed in nylon cups