Install these new Option Parts to enhance the TRF501X drivetrain. The 37T Ball Diff. Pulley is made from slide molding and features integrated pulley flange to eliminate the risk of flange detachment. Flange design also includes a dirt discharge port to ensure smooth operation in off-road conditions. The 18T Center Pulley increases torque and can handle the output from the latest powerful motors. These pulleys are also designed to reduce belt jumping for consistent operation.
*Compatible Chassis: TRF501X