ArrmaArrma Pinion Gear 21 T MOD 0 5 CNC 2 3 mm Bore ARA311207 provides reliable power delivery and extended drivetrain life for your RC vehicle. Engineered from tough CNC steel, this 21-tooth pinion ensures maximum durability and efficient power transfer from your motor.
Achieve optimal gearing with the precise MOD 0.5 tooth profile, minimizing friction and maximizing acceleration. The exact 2.3mm bore creates a secure, precise fit on compatible motor shafts, preventing slippage and ensuring consistent performance during intense bashing or racing sessions.