Park bbt303 bb30 bottom bracket bearing tool set designed and built to install and remove bb30 bearings direct fit pressed in bearings and a 30 mm spindle tool allows the easy and safe removal of bb30 and bbright 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