Traxxas Revo 40 tooth Spur Gear (1.0 metric pitch) TRA3955

This is the optional 40 tooth spur gear for the Traxxas Revo monster truck. This spur gear goes on the gear box to transfer power from the clutch bell on the engine into the transmission case. The stock spur gear is a 38 tooth gear, so this 40 tooth gear will provide more bottom end acceleration with less top end speed than the stock gear. 

Revo 40 tooth Spur Gear (1.0 metric pitch) TRA 3955