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This is the Traxxas underdrive machined 35T ring and 10T pinion differential gear for the TRX-4. If you have modified your TRX-4 with a more powerful motor/ESC, this would be an ideal upgrade to handle the increase in power.
Available in store
CloseCompared to the stock gearing, this is underdriven to allow a reduced wheelspeed and is much more durable.
Options:
Underdrive: TRA8288
Standard: TRA8279R
Overdrive: TRA8287
