Park Tool Mavic 7-Spline/6.4mm 6-Spline/9mm Double Ended Spoke Wrench QKSW12C

Park Tool SW12 Spoke Key for Mavic Wheel System Spokes The long handle provides good leverage for stubborn spoke nipples. Comfortable, vinyl dipped, double-ended Park Tool SW12 spoke key for select Mavic wheels using the integrated M7 nipples. Smaller end fits 7-spline nipples with a 6.4mm outside spline diameter. These are found on the R-sys wheels. The larger end fits the 6-splines of the 9mm OD of the threaded eyelets of the "FORE drilled rim adapters" found on rims such as the Mavic XM819, EX823 and Speedcity wheels. (This is equal to the sizing of the Mavic "108 471 01" key.)