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      RC Cars

      Excitement for a lifetime

      Pinions

      RC pinion gears to set your gear ratio for speed or acceleration.

      An RC pinion gear is the small gear on the motor shaft, and its tooth count sets your gear ratio. This category covers pinions in the common pitches: 48dp, Mod 0.6 and Mod 1.A smaller pinion gives more punch, a larger one more top speed. See spur gears and hardware in RC car accessories.

      Frequent Questions & Answers
      What is a pinion gear?

      The pinion is the small gear on the motor shaft that drives the spur gear. Its tooth count sets your gear ratio, which affects speed and acceleration.

      How do I choose a pinion size?

      Go smaller for more acceleration and cooler running, larger for more top speed. Match the pitch to your spur gear and check temperatures.

      What pitch pinion do I need?

      Match the pinion pitch to your spur gear: 48dp, Mod 0.6 or Mod 1 are common. Mixing pitches will not mesh correctly.