Park Tool SW-12C Spoke Wrench for 6- and 7-Spline Mavic

Smaller end fits 7-spline nipples with a 6.4 mm outside spline diameter

• Commonly found on Mavic® R-sys wheels
• Equal to the sizing of the Mavic® 10847101 & 99607901 spoke wrenches

Larger end fits 6-spline rim fittings with a 9.6 mm outside spline diameter and M7 threading:

• Commonly found on Mavic® XM819, EX823 and Speedcity wheels
• Equal to the sizing of the Mavic® M40652 spoke wrench

Our double-ended spoke wrenches are a comfortable and functional option for truing bicycle wheels with specialty spoke nipples. The shape of the SW-12 is ideal for truing wheels while using a spoke holder to prevent rotation of bladed aero spokes. Each SW-12 is made in the USA, and is precision machined, nickel plated and vinyl dipped for long service.