Laser engraved & anodised for easy identification, the BBT-59.2 is fitted with a 3/8" drive for use with popularly used ratchet & torque wrenches, giving you optimum leverage when loosening & tightening your cups. Constructed from CNC machined aluminium, this handy BB tool will fit most 16-notch 41mm bottom brackets & is suitable for use with Shimano BBR60 (Ultegra 11-speed 6800 series) & MT-800 model bottom brackets. The BBT-59.2 has also been specially optimised for the very best engagement with your bottom bracket, making removal & replacement as quick & easy a job as possible.