Unior Open BB Wrench 16 notch Bottom Bracket Tool 41mm/16 notch

Used to remove and install Shimano® Hollowtech II, Campagnolo® Ultra-Torque and Power Torque, Race Face®, FSA®, SRAM®, Truvativ®, Chris King® bottom brackets as well as many and others. The 1609/2HOBBY wrench also fits on the external center lock disc nut.