Park Tool "FR-4" Pinion Puller
The Park Tool "FR-4" Pinion Puller is a specially designed freewheel remover, intended for the removal of freewheels with 20 splines, as found on older SunTour® freewheels. The Park Tool "FR-4" Pinion Puller is compatible with Atom®, Regina®, splined Zeus®, and some Schwinn® freewheels.
Facts: Park Tool "FR-4" Pinion Puller
- Contents: 1x sprocket puller
- Material: Heat-treated alloyed tool steel
- Extras: 1" basic tools, usable with 25mm socket wrench, 25mm open-end wrench, vice, 20 keyways and a diameter of 21.6mm (0.85"), thin-walled construction