What pinion should I use for a Serpent Medius X20 '21?
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 Medius X20 '21?
The Medius X20 '21 transmission ratio is 2. 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 Medius X20 '21 have?
110 teeth.
Where can I get parts for the Medius X20 '21?
Try our partner Horizon Hobby. They carry many of the latest cars and trucks.
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