Foundation Bottom Bracket Bearing Tool Set Knock It Off! If your frame has press-fit bearings and you need to replace them, you'll need a way to knock them out of your frame. The Foundation Bottom Bracket Bearing Tool is designed to remove press-fit bottom bracket bearings and can be used in most press-fit systems using a 22mm or 24mm spindle including Shimano and SRAM GXP press-fit. Features Knocks the bearing out of the frame Designed to be used with 22mm or 24mm press-fit bottom brackets Shop-quality tool that can be used for years to come | Foundation | Bottom Bracket Bearing Tool Set Bottom Bracket Bearing Tool Set