This is the Stock "FLYWHEEL" or Starter Wheel for the
DuraTrax 1/8 Scale Starter Box.
One Rubber Starting Wheel with a Keyed Metal Center
The Center is Keyed to Fit the Existing Shaft
Outer Diameter: 3-7/8"
Hole in the Center: 6mm
One Fly Wheel Assembly
The key on the shaft is NOT used, instead the shaft is only bolted