Product Details Option pinion range for your Arrma 3S and 4S version vehicles, or motors with a 5mm motor shaft. 15T for the Monster vehicles, or running in high load conditions like long grass. 17T for a little bit more speed on a smoother surface 20T for speed runs with progressive throttle input, watch your motor temperature. (not f....

Product Details Clamp motor mount system Fitted with an inline temperature sensor, the high powered fan unit will cut in at 35 degress ....

Product Details Clamp motor mount system Fitted with an inline temperature sensor, the high powered fan unit will cut in at 35 degress ....

Product Details Clip / push on motor mount system Fitted with an inline temperature sensor, the high powered fan unit will cut in at 35 degress ....

Product Details Perfect replacement to the standard fitted plastic pinion gear. Fits perfectly on the spline of the motor shaft. ....