Traxxas TRX-4M Complete Transmission and 87T Motor. This Transmission is a beefy upgrade that comes complete with ball bearings and Titan 87T motor. The 9.7:1 gearing ratio is sure to get you to your destination on time. Package includes one factory assembled transmission and 87T motor.
Note: It is recommended to run Traxxas motor heat sink (TRA9793).
