"Pro" Pinions are precision machined from aircraft grade aluminum, lightened and coated twice with a super hard, black anodize. Recommended for onroad, but they can be run off road. Tooth number stamped on each pinion. 1/8 inch bore. One 5-40 set screw included. 1/16 inch allen wrench (not included) fits the 5/40 set screw.
Specs:
| Gear Pitch: | 64P |
| Gear Type: | Pinion |
| Material: | Metal |
| Tooth Count: | 56 Tooth |
