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Stock gearing for the Team Associated RC10 B6.3D, with common pinions and their ratios.
| Pinion | Spur ÷ pinion | FDR |
|---|---|---|
| 18T | 4.33 | 11.27 |
| 19T | 4.11 | 10.67 |
| 20T | 3.90 | 10.14 |
| 21T | 3.71 | 9.66 |
| 22T | 3.55 | 9.22 |
| 23T | 3.39 | 8.82 |
| 24T | 3.25 | 8.45 |
| 25T | 3.12 | 8.11 |
| 26T | 3.00 | 7.80 |
| 27T | 2.89 | 7.51 |
| 28T | 2.79 | 7.24 |
| 29T | 2.69 | 6.99 |
| 30T | 2.60 | 6.76 |
| 31T | 2.52 | 6.54 |
| 32T | 2.44 | 6.34 |
Shaded rows are the pinions most 1/10 2WD buggy setups run on the stock spur.
What pinion should I run?
Tell us your motor and track and get a starting pinion for the Team Associated RC10 B6.3D, with the range racers in the class run.
Get a recommendation →Shop pinion gears at AMain →It depends on your motor and the track. In the 1/10 2WD buggy class, racers gear by final drive ratio: 6T and below near 9.40, 7.5–8.5T near 9.22, 17.5T near 6.48. On the RC10 B6.3D's stock 78T spur that is about 22T for 6T and below, 22T for 7.5–8.5T, 31T for 17.5T. Tight tracks gear down, open tracks gear up. For a starting pinion matched to your motor, use the So Dialed Pinion Recommender with the RC10 B6.3D selected.
The RC10 B6.3D has an internal ratio of 2.6:1. Final drive ratio = spur ÷ pinion × 2.6. With the stock 78T spur, a 18T pinion gives an FDR of 11.27 and a 32T gives 6.34.
78 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 RC10 B6.3D runs 35 wt front, 35 wt rear (Team Associated oil), on 2mm 2x1.6mm FT v2 (#91896) front, 2mm 2x1.7mm FT v2 (#91897) rear pistons. 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 3.61lb Gray (#91832) front, 2.00lb Gray (#91839) rear. Stiffer springs suit high grip and big jumps; softer springs add grip on slick or bumpy tracks.
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Your Team Associated RC10 B6.3D is in the RC Setup App
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