The FR-3 is designed to fit the four-notch tool fittings found on SunTour® freewheels made since 1986. Constructed from heat-treated alloy tool steel, the FR-3 features a 1" tool fitting for use with an adjustable wrench, socket, or bench vise.

Features
Fits 4-notch tool fittings with an approximate outer diameter of 24 mm
Fits all SunTour® four-notch freewheels since 1986
Center bore for axle clearance: 10 mm
1" hexagonal base compatible with a 1" socket or wrench

Mfr Claimed Weight
TBC