Try our free RC Gear Recommender App to get an AI-powered recommendation! Just enter your motor and a few other details, and we'll recommend a pinion to start with for your track conditions.
What is the transmission ratio (internal ratio) of the GT4R-1?
The GT4R-1 transmission ratio is . For help calculating your gear ratio, Final Drive Ratio (FDR), or rollout, try our Gear Calculator Pro App.
How many teeth does the stock spur gear for the GT4R-1 have?
teeth.
Where can I get parts for the GT4R-1?
Try our partner AMain Hobby. They carry many of the latest cars and trucks.
Try our partner Redcat Racing. They should have what you need!
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