Unior Open Bottom Bracket Wrench 16 Notch RedUNIOR: Product featuresmaterial: premium flex plus carbon steelsurface finish: chrome plated according to ISO 1456:2009Tool also fits the disc brake rotor nuts with 16 external notches.How to use the tool:The open bottom bracket wrench is 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 centerlock disc nut.
