Setups
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Gearing
Stock gearing for the LC Racing PTG-2/2R, with common pinions and their ratios.
| Pinion | Spur ÷ pinion | FDR |
|---|---|---|
| 15T | 4.67 | 11.67 |
| 16T | 4.38 | 10.94 |
| 17T | 4.12 | 10.29 |
| 18T | 3.89 | 9.72 |
| 19T | 3.68 | 9.21 |
| 20T | 3.50 | 8.75 |
| 21T | 3.33 | 8.33 |
| 22T | 3.18 | 7.95 |
| 23T | 3.04 | 7.61 |
| 24T | 2.92 | 7.29 |
| 25T | 2.80 | 7.00 |
| 26T | 2.69 | 6.73 |
| 27T | 2.59 | 6.48 |
| 28T | 2.50 | 6.25 |
| 29T | 2.41 | 6.03 |
| 30T | 2.33 | 5.83 |
| 31T | 2.26 | 5.65 |
| 32T | 2.19 | 5.47 |
| 33T | 2.12 | 5.30 |
| 34T | 2.06 | 5.15 |
| 35T | 2.00 | 5.00 |
What pinion should I run?
Tell us your motor and track and get a starting pinion for the LC Racing PTG-2/2R, with the range racers in the class run.
Get a recommendation →Shop pinion gears at AMain →What pinion gear should I use on the LC Racing PTG-2/2R?
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 PTG-2/2R 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 LC Racing PTG-2/2R?
The PTG-2/2R has an internal ratio of 2.5:1. Final drive ratio = spur ÷ pinion × 2.5. With the stock 70T spur, a 15T pinion gives an FDR of 11.67 and a 35T gives 5.00.
How many teeth is the stock spur gear on the LC Racing PTG-2/2R?
70 teeth. Changing the spur moves every pinion's ratio at once; most racers leave the spur and tune with the pinion.
Kit setup
Kit shock setup. Part numbers link to AMain.
What shock oil does the LC Racing PTG-2/2R come with?
Out of the box the PTG-2/2R runs 500 cst front, 450 cst rear. That is the kit setup; you will need to adjust it for your track conditions. The RC Setup App can help dial it in.
What springs does the LC Racing PTG-2/2R come with?
The kit springs are 1.2mm (#L6137) front, 1.2mm (#L6137) rear. Stiffer springs suit high grip and big jumps; softer springs add grip on slick or bumpy tracks.
Setup Help
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Setup App & Race Log
Your LC Racing PTG-2/2R is in the RC Setup App
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