SRAM BB30 PressFit bottom bracket cupsSRAM saw an opportunity to make a better press fit system for the bottom bracket, combining all the best of BB30 and PressFit in one package.PressFit 30 will feature an integrated gasket, pre-assembled in the cups, to further extend the life of the bearing. SRAM BB30 PressFit bottom bracket cupsThe key difference to the PressFit 30 is how the bearings are mounted to the frame.The bearings are housed in nylon cups that are pressed into the bottom bracket shell.This 30mm bottom bracket shell is designed for spindle cranks.Frames will need a 46mm inner diameter bottom bracket shell to accommodate this system. PressFit 30 for road will require 68mm, while PressFit 30 for MTB will require 73mm.characteristics- PressFit cups- Narrow the Q factor to offer more room at the ankle- Gasket integrated in the bowl to prolong the life- Integrated adjuster- Shaft diameter 30 mm- Use: Cross Country and Trail- Weight around 94 gramsReference: SR-00.6418.009.000