movimento centrale sram pressfit gxp mtb bb92A variant of the external bottom bracket, PressFit reduces weight and provides easier installation by allowing the bearing cups to be pressed into the frame instead of threaded in. There is no change to the crankset: the spindle length and diameter remain the same. FEATURES PressFit reduces weight Easier installation by allowing the bearing cups to be pressed into the frame Compatible with GXP Easy installation Specifications BB FRAME INTERFACE From