Enduro BBT-044 Pro Bottom Bracket Cup Tool Kit - For 52x16-29 / 46x12-30 / 44x16-24 / 41x16-STDThe Enduro BBT 044 Pro Bottom Bracket Cup Socket tool kit includes the full complement of splined cups and bearing inserts to install and remove any Enduro bottom bracket. (52x16, 46x12, 44x16 and 41x16 splined cups along with 24mm, 29mm, 30mm and universal inserts). The updated design of the line of Enduro BBT Pro Cup Socket tools feature a unique design that allows you to switch between 24, 29 and 30mm inner guide inserts or a universal insert,