Tamiya 15355 - JR PRO High Speed Gear Set - MS Chassis/Gear Ratio 4:1  [15355]

Offering the high speed gear included with Mini 4WD PRO Nitro Thunder and Nitro Force as a separate grade up part to widen establishing alternatives. Mini 4WD PRO racers designed with small tires and super speed 3.5:1 gear may experience dulling of acceleration on courses with high quantity of curves, once the motor becomes stressed whenever frequent deceleration is required. To be able to improve acceleration in such cases, use this 4:1 tall Speed Gear in conjunction because of the REV-Tuned or other high revolution engine. Additionally useful as spare part to exchange old or worn-out gears.

Set includes the following: G19 (blue) counter gear x 2, G20 (orange) spur gear x 2. Gear ratio is 4:1
*Compatible Chassis: Mini 4WD PRO (MS Chassis only)