The PRO Bottom Bracket Removal Tool is a BB removal tool designed for use with Shimano Hollowtech II bottom brackets. The PRO Bottom Bracket Remover was developed for the removal of Shimano cartridge bottom brackets. It features a hardened steel construction for durability, and a dual compound handle, for comfort. Bottom bracket removal tool Designed for use with Shimano Hollowtech II bottom brackets Hardened steel construction Dual compound grip