ARRMA Steel 13T Mod1 5mm RC Pinion Gear - ARAC7774

The ARRMA AR310474 is a 13-tooth Mod1 steel pinion gear with a 5mm bore, designed as a direct-fit drivetrain component for compatible ARRMA vehicles. Sold under style code ARAC7774, this steel pinion gear replaces worn or damaged pinions and is a common spare to keep on hand if you run your ARRMA hard. The Mod1 tooth profile and 5mm shaft bore are the key specs to match against your current setup before ordering.

Key Features

• 13-tooth Mod1 pinion gear suits standard Mod1 spur gear pairings used across a range of ARRMA models
• Steel construction offers greater durability than aluminium alternatives under sustained drivetrain load
• 5mm bore fits 5mm motor shafts — confirm your motor shaft diameter before fitting
• Direct replacement for the original ARRMA pinion gear, maintaining stock gear ratio

Compatible With

• Compatible with ARRMA vehicles using Mod1 gearing and a 5mm motor shaft — check your model's parts list or manual to confirm AR310474 is the correct pinion for your specific vehicle before purchasing

What's Included

• 1x ARRMA AR310474 13T Mod1 Steel Pinion Gear (5mm bore)