HPI Racing Clutch Gear Hub 3-Speed. This is the Clutch Gear Hub for the Savage Three-Speed Tranny from HPI. Constructed of aluminum. This product includes one clutch gear hub assembled with one-way bearing. Three 3x4mm Flat-head machine screws
For use with HPI Three-Speed Tranny for the Savage.
Outside Diameter: 1.36 (35mm)
Inside Diameter: .32 (8mm)
Outer Rim Thickness: .16 (4mm)
Thickness at One-Way Bearing: .51 (13mm)
Requires: Savage with Three-speed Tranny