Designed to remove and install the bearings and bearing units used in bb86 bb92 shimano press fit sram press fit gxp race face press fit and other press fit bottom bracket systems using the nominal 24mm spindle the bbt 903 tool set includes a bearing removal tool which slides through and expands behind the bearing like a head cup remover so it can be tapped out with a hammer the bbt 903 also includes two installation bushings 669 use the bushing in conjunction with an hhp 2 or hhp 3