3954 Traxxas Spur gear 38-tooth (1.0 metric pitch)3954 Traxxas Spur gear, 38-tooth (1.0 metric pitch)TRX3954Optional Traxxas spur gears allow you to increase or decrease the final drive ratio and tune for different applications. The out-of-the-box spur gear is a 36-tooth.Replacement part for these models:RevoAccessory part for these models:Slayer Pro 4X4
