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Stock gearing for the VBC Racing Varia MPAN-RR, with common pinions and their ratios.
| Pinion | Spur ÷ pinion | FDR |
|---|---|---|
| 15T | 5.73 | 5.73 |
| 16T | 5.38 | 5.38 |
| 17T | 5.06 | 5.06 |
| 18T | 4.78 | 4.78 |
| 19T | 4.53 | 4.53 |
| 20T | 4.30 | 4.30 |
| 21T | 4.10 | 4.10 |
| 22T | 3.91 | 3.91 |
| 23T | 3.74 | 3.74 |
| 24T | 3.58 | 3.58 |
| 25T | 3.44 | 3.44 |
| 26T | 3.31 | 3.31 |
| 27T | 3.19 | 3.19 |
| 28T | 3.07 | 3.07 |
| 29T | 2.97 | 2.97 |
| 30T | 2.87 | 2.87 |
| 31T | 2.77 | 2.77 |
| 32T | 2.69 | 2.69 |
| 33T | 2.61 | 2.61 |
| 34T | 2.53 | 2.53 |
| 35T | 2.46 | 2.46 |
What pinion should I run?
Tell us your motor and track and get a starting pinion for the VBC Racing Varia MPAN-RR, with the range racers in the class run.
Get a recommendation →Shop pinion gears at AMain →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 Varia MPAN-RR 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.
The Varia MPAN-RR has an internal ratio of 1:1. Final drive ratio = spur ÷ pinion × 1. With the stock 86T spur, a 15T pinion gives an FDR of 5.73 and a 35T gives 2.46.
86 teeth. Changing the spur moves every pinion's ratio at once; most racers leave the spur and tune with the pinion.
Kit shock setup. Part numbers link to AMain.
Out of the box the Varia MPAN-RR runs 35 wt center, 15,000 side tubes. That is the kit setup; you will need to adjust it for your track conditions. The RC Setup App can help dial it in.
The kit springs are Med Silver front, TS2.8 (#NO1P31613) center, Med Gold side. Stiffer springs suit high grip and big jumps; softer springs add grip on slick or bumpy tracks.
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Your VBC Racing Varia MPAN-RR is in the RC Setup App
Save every setup change you make to your VBC Racing Varia MPAN-RR, get AI tuning answers for that exact car, and log your races — at the track or back in the pits.

