Description The Park Tool BB Bearing Tool Set (BBT-30.4) is a high quality bicycle workshop tool used to remove bearings & cups. This tool works for most bottom bracket systems that feature a 30mm spindle, including many BB30 and PF30 systems. The included BB30 bearing remover installs through the shell to easily drive out bearings. Features extra length to work with wider fat bike bottom bracket shells. The BBT-30.4 also includes a set of bushings that can be used in conjunction with a cup press (such as the HHP-2 or HHP-3 — sold separately) to quickly and precisely press new bearings into the bottom bracket shell. Park Tool BB Bearing Tool Set Features & Specs Fits press-fit bottom bracket bearing systems with a 30 mm spindle, including some: BB30 PressFit 30 (PF30) 386EVO BBright PF121 Some examples of compatible bottom bracket models include: SRAM PF46 SRAM PF42 Race Face Cinch NOTE: Press fit bottom bracket systems that utilize an inner sleeve may not be compatible with the BBT-30.4 removal tool, due to the clearance required inside the bottom bracket shell. Use the RT-1 for these systems. For instructions on how to use the BBT-30.4 check out this PDF from Park Tool.