The Hot Racing Steel Mod 1 Pinion Gear is compatible with 1/8 and 1/10 Scale Cars that use Mod 1 Gearing. Pinion has a 5mm bore, and is only compatible with motors that have a 5mm motor shaft.
- Hardened steel construction
- Black in color
- Includes Mod-1 Pinion Gear and 4x4mm Set Screw
Length: 12mm (0.47")
Inner diameter: 5mm (0.20")
Note: This list may not be 100% accurate or up to date, and is meant to be used as a guideline for compatibility.