Park tools bb30 bearing tool set is a handy tool designed and built to install and remove bb30 bearings direct fit pressed in bearings and a 30mm spindle the tool allows the easy and safe removal of bb30 and bright bearings the bbt 303 set also includes installation cups to be used in conjunction with the park tool hhp 1 2 or 3 headset cup press to quickly and precisely press the bearings into the bottom bracket shell