These Arrma Pinion Gears are MOD1 and are offered in a variety of tooth counts. Each package includes one Steel pinion gear and one set screw.

Features:

Strong and durable steel for long-lasting performance in extreme RC conditions

Precision manufactured tooth profile for smooth operation

Precision manufactured double set screw holes for the fitment of set screws either side of the motor shaft for extra secure fitting

For fitment to 5mm motor shaft