Setups
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Gearing
Stock gearing for the Tamiya XV-01 Pro, with common pinions and their ratios.
| Pinion | Spur ÷ pinion | FDR |
|---|---|---|
| 15T | 4.53 | 11.79 |
| 16T | 4.25 | 11.05 |
| 17T | 4.00 | 10.40 |
| 18T | 3.78 | 9.82 |
| 19T | 3.58 | 9.31 |
| 20T | 3.40 | 8.84 |
| 21T | 3.24 | 8.42 |
| 22T | 3.09 | 8.04 |
| 23T | 2.96 | 7.69 |
| 24T | 2.83 | 7.37 |
| 25T | 2.72 | 7.07 |
| 26T | 2.62 | 6.80 |
| 27T | 2.52 | 6.55 |
| 28T | 2.43 | 6.31 |
| 29T | 2.34 | 6.10 |
| 30T | 2.27 | 5.89 |
| 31T | 2.19 | 5.70 |
| 32T | 2.13 | 5.53 |
| 33T | 2.06 | 5.36 |
| 34T | 2.00 | 5.20 |
| 35T | 1.94 | 5.05 |
What pinion should I run?
Tell us your motor and track and get a starting pinion for the Tamiya XV-01 Pro, with the range racers in the class run.
Get a recommendation →Shop pinion gears at AMain →What pinion gear should I use on the Tamiya XV-01 Pro?
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 XV-01 Pro 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 Tamiya XV-01 Pro?
The XV-01 Pro has an internal ratio of 2.6:1. Final drive ratio = spur ÷ pinion × 2.6. With the stock 68T spur, a 15T pinion gives an FDR of 11.79 and a 35T gives 5.05.
How many teeth is the stock spur gear on the Tamiya XV-01 Pro?
68 teeth. Changing the spur moves every pinion's ratio at once; most racers leave the spur and tune with the pinion.
Setup Help
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