The Park Tool SW-12 Double-Ended Spoke Wrench — Mavic® 7-Spline, click to enlarge

Item # SW-12

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Double-Ended Spoke Wrench — Mavic® 7-Spline

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.

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SW-12 Features

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