Park Tool SW-13 Bike Wheel Spoke Wrench for Mavic 6-Spline Nipples 5.5mm & 9.6mm
Not work on Mavic R-Sys or Mavic SSC SLR wheels. Equal to the sizing of the Mavic® M40630 or M40494 spoke wrench. Commonly found on Mavic® XM819, EX823 and Speedcity wheels. Equal to the sizing of the Mavic® M40652 wrench.