Enjoy the silence. The original and still the best bottom bracket for Shimano cranks.

This elegant bottom bracket allows Shimano Hollowtech II 24mm cranks (all 9x00, 8x00, 7800, 7900, 6600, 6700, 6800, 5800, 5700 series road and XT/XTR mountain) to be installed in any Press Fit 30 compatible frame set without adapters or spacers. Simply press fit these cups in and install crank per Shimano specs. Designed for 68mm wide x 46mm PressFit30 interface. Bearings and seals by Enduro.