21t Mod 1.5 Hardened Steel Pinion Gear 8mm Bore (HRANSG21M15)

This 21-tooth pinion gear features a 1.5-module pitch and an 8mm bore, built from hardened steel for lasting strength. Designed for high-stress RC setups, it’s ideal for large-scale vehicles and a variety of demanding applications.

Finished with a black oxide coating for corrosion resistance, this gear combines hardened steel construction with a precise 1.5-module pitch to maintain smooth mesh with compatible gears. The 8mm bore allows straightforward mounting on suitable shafts, delivering reliable performance in rugged conditions.