Park tool bottom bracket bearing tool set bbt303the bbt 303 bottom bracket bearing tool set is designed for installation and removal of the bearings used in bb30 pressfit 30 pf30 386evo and bbright bottom bracket systems with traditional park tool high quality and ease of use this tool will make light work of the job the bbt 303 includes a bearing removal tool and two bushings which are used in conjunction with a park tool bearing press to press the bearings into the bottom bracket she