Discontinued, replacement parts: #114113, #72485
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.
#72480 - PINION GEAR 8T (STEEL/MICRO RS4)
#72481 - PINION GEAR 9T (STEEL/MICRO RS4)
#72482 - PINION GEAR 10T (STEEL/MICRO RS4)
#72483 - PINION GEAR 11T (STEEL/MICRO RS4)
#72484 - PINION GEAR 12T (STEEL/MICRO RS4)
#72485 - PINION GEAR 13T (STEEL/MICRO RS4)