Setups
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Gearing
Stock gearing for the XRAY XP10 '26, with common pinions and their ratios.
| Pinion | Spur ÷ pinion | FDR |
|---|---|---|
| 15T | 6.13 | 6.13 |
| 16T | 5.75 | 5.75 |
| 17T | 5.41 | 5.41 |
| 18T | 5.11 | 5.11 |
| 19T | 4.84 | 4.84 |
| 20T | 4.60 | 4.60 |
| 21T | 4.38 | 4.38 |
| 22T | 4.18 | 4.18 |
| 23T | 4.00 | 4.00 |
| 24T | 3.83 | 3.83 |
| 25T | 3.68 | 3.68 |
| 26T | 3.54 | 3.54 |
| 27T | 3.41 | 3.41 |
| 28T | 3.29 | 3.29 |
| 29T | 3.17 | 3.17 |
| 30T | 3.07 | 3.07 |
| 31T | 2.97 | 2.97 |
| 32T | 2.88 | 2.88 |
| 33T | 2.79 | 2.79 |
| 34T | 2.71 | 2.71 |
| 35T | 2.63 | 2.63 |
What pinion should I run?
Tell us your motor and track and get a starting pinion for the XRAY XP10 '26, with the range racers in the class run.
Get a recommendation →Shop pinion gears at AMain →What pinion gear should I use on the XRAY XP10 '26?
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 XP10 '26 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 XRAY XP10 '26?
The XP10 '26 has an internal ratio of 1:1. Final drive ratio = spur ÷ pinion × 1. With the stock 92T spur, a 15T pinion gives an FDR of 6.13 and a 35T gives 2.63.
How many teeth is the stock spur gear on the XRAY XP10 '26?
92 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.
- Center
- 700 cst
- Side tubes
- 10,000
- Front
- 2.1-2.3C Black
- Side
- 1.2C Black
What shock oil does the XRAY XP10 '26 come with?
Out of the box the XP10 '26 runs 700 cst center, 10,000 side tubes (XRAY oil). 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 XRAY XP10 '26 come with?
The kit springs are 2.1-2.3C Black front, 1.2C Black side. 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 XRAY XP10 '26 is in the RC Setup App
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