
Hot Racing TRX4M Steel Helical Diff Ring/Pinion, Underdrive (10/22T)
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30-day returns · Secure checkout by Stripe · We accept Visa, Mastercard, American Express, Discover, Apple Pay, Google Pay and Link

Steel helical ring and pinion underdrive, 22T ring with 10T pinion, for the 1/18 TRA TRX-4M. The spiral cut gears are stronger and run smoother than factory straight cut bevel gears, with less vibration, noise and wear. This ratio is a 10% underdrive compared with the stock 24T/12T, which slows wheel speed and is commonly used in the rear for more digging. It works on the front or rear.























