Felony

ARRMA Felony Setups

Speed runStreet1/7 scale4WD

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Setups

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Gearing

Stock gearing for the ARRMA Felony, with common pinions and their ratios.

Stock spur
46T
Internal ratio
2.935:1
Class
1/7 4WD street
No class gearing data yet
PinionSpur ÷ pinionFDR
12T3.8311.25
13T3.5410.39
14T3.299.64
15T3.079.00
16T2.888.44
17T2.717.94
18T2.567.50
19T2.427.11
20T2.306.75
21T2.196.43
22T2.096.14
23T2.005.87
24T1.925.63

What pinion should I run?

Tell us your motor and track and get a starting pinion for the ARRMA Felony, with the range racers in the class run.

Get a recommendation →Shop pinion gears at AMain →

What pinion gear should I use on the ARRMA Felony?

It depends on your motor and the track. A hotter motor (lower turns, higher KV) takes a smaller pinion; a tight track wants a lower gear than an open one. Start near the middle of the pinions the Felony shipped with, run a few minutes, and check motor temperature before going up a tooth. The So Dialed Pinion Recommender gives a starting pinion for your motor where we have class data.

What is the internal ratio (transmission ratio) of the ARRMA Felony?

The Felony has an internal ratio of 2.935:1. Final drive ratio = spur ÷ pinion × 2.935. With the stock 46T spur, a 12T pinion gives an FDR of 11.25 and a 24T gives 5.63.

How many teeth is the stock spur gear on the ARRMA Felony?

46 teeth. Changing the spur moves every pinion's ratio at once; most racers leave the spur and tune with the pinion.

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