Pinion	Spur ÷ pinion	FDR
19T	4.42	10.74
20T	4.20	10.21
21T	4.00	9.72
22T	3.82	9.28
23T	3.65	8.87
24T	3.50	8.51
25T	3.36	8.16
26T	3.23	7.85
27T	3.11	7.56
28T	3.00	7.29
29T	2.90	7.04
30T	2.80	6.80
31T	2.71	6.58
32T	2.63	6.38

Shaded rows are the pinions most 1/10 2WD sprint setups run on the stock spur.

What pinion should I run?

Tell us your motor and track and get a starting pinion for the TLR 22S Sprint Car, with the range racers in the class run.

Get a recommendation →Shop pinion gears at AMain →

What pinion gear should I use on the TLR 22S Sprint Car?

It depends on your motor and the track. In the 1/10 2WD sprint class, racers gear by final drive ratio: 7.5–8.5T near 8.13. On the 22S Sprint Car's stock 84T spur that is about 25T for 7.5–8.5T. Tight tracks gear down, open tracks gear up. For a starting pinion matched to your motor, use the So Dialed Pinion Recommender with the 22S Sprint Car selected.

What is the internal ratio (transmission ratio) of the TLR 22S Sprint Car?

The 22S Sprint Car has an internal ratio of 2.43:1. Final drive ratio = spur ÷ pinion × 2.43. With the stock 84T spur, a 19T pinion gives an FDR of 10.74 and a 32T gives 6.38.

How many teeth is the stock spur gear on the TLR 22S Sprint Car?

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

Setup Help

Reference chart — Oval

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