ARA311207 Pinion Gear 21T 0.5 MOD CNC 2.3mm Bore

ARA311207 is a steel pinion gear for compatible ARRMA remote-controlled vehicles. It has 21 teeth with a 0.5 module pitch and a bore sized for a 2.3 mm motor shaft, and is precision machined from durable steel to provide smooth power transfer and long-lasting performance under demanding RC driving conditions. The gear includes an M3 × 4 mm set screw so it can be secured onto the motor shaft, and it’s used to replace a worn or damaged stock pinion or to tune the gear ratio for small-scale ARRMA models such as GROM-series trucks and buggies. 

Includes

1 x 21T Mod 0.5 Pinion Gear

1 x M3 x 4mm Set Screw

Features

• Strong and durable steel for long-lasting performance in extreme RC conditions
• Precision manufactured tooth profile for smooth operation
• Precision manufactured set screw hole
• For 2.3mm motor shaft