Bottom Bracket Bearing Guide - BB90

BBT-006 - Bottom Bracket Bearing Guide (BB90 and 24/22mm) for Bearing Press This double-sided guide allows you to install 24mm x 37mm bearings or 22mm x 37mm bearings directly into BB90 BB shells or into outboard BB cups for Shimano and SRAM GXP cranksets. This item is a single guide if you need a pair please order two.