Features

Features the following sizes — measure to be sure you are using the correct wrench for your wheel.

Size 0: Sized for spoke nipples with 3.23 mm (0.127") wrench flats, equivalent to Park Tool SW-0, often found on higher-end bikes. Typical compatible nipple brands include DT Swiss, Sapim, Wheelsmith, Pillar, and many others.

Size 1: Sized for spoke nipples with 3.30 mm (0.130") wrench flats, equivalent to Park Tool SW-1, typically found on older American-made bicycles, including many vintage Schwinn models and wheels built with Union or Torrington spokes — not as common on modern bicycles.

Size 2: Sized for spoke nipples with 3.45 mm (0.136") wrench flats, equivalent to Park Tool SW-2, often found on most department store bikes, as well as many other low-to-midrange bikes.

About Park Tool
Park Tool are the world's largest bicycle tool manufacturer. Located in St. Paul Minnesota they have been designing and manufacturing bicycle specific tools since 1963. Their dedication to quality and innovation have gained them the reputation for producing the best bicycle tools in the world.