Robinson Racing Products Extra Hard 5mm Bore (1.0 Mod) Pinion 21 Teeth RRP1221

This Robinson Racing Products pinion gear features 21 teeth with a 1.0 module pitch and a 5mm bore, sized for use with electric 1:8 and 1:10 scale vehicles across a wide range of popular platforms. It is made from metal with Robinson Racing's extra hard treatment for increased wear resistance compared to standard pinions. The set includes a pinion gear and a set screw for secure motor shaft mounting. Features: 21-tooth, 1.0 mod pitch 5mm bore fits common electric motor shafts Extra hard metal construction for extended wear life Includes set screw for shaft retention 7/7/26 cs