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. Choose tooth count fromThe 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. Choose tooth count from the pull down menu above.
Features:
Hardened steel construction
Black in color
Includes Mod-1 Pinion Gear and 4x4mm Set Screw
Specifications: Length:Â 12mm (0.47") Inner diameter:Â 5mm (0.20") the pull down menu above.