Product Overview
HPI Racing 72482
Fine-tune the speed and acceleration of the Micro RS4 with a selection of tough metal pinion gears. Use a larger pinion for higher top speeds, or use a smaller pinion gear for increased acceleration.
Includes a set screw for attaching the pinion to the motor shafts.
Fine-tune the speed and acceleration of the Micro RS4 with a selection of tough metal pinion gears. Use a larger pinion for higher top speeds, or use a smaller pinion gear for increased acceleration.
Includes a set screw for attaching the pinion to the motor shafts.
