Setups
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Gearing
Stock gearing for the Team Associated RC10 B74.1, with common pinions and their ratios.
| Pinion | Spur ÷ pinion | FDR |
|---|---|---|
| 16T | 4.88 | 12.19 |
| 17T | 4.59 | 11.47 |
| 18T | 4.33 | 10.83 |
| 19T | 4.11 | 10.26 |
| 20T | 3.90 | 9.75 |
| 21T | 3.71 | 9.29 |
| 22T | 3.55 | 8.86 |
| 23T | 3.39 | 8.48 |
| 24T | 3.25 | 8.13 |
| 25T | 3.12 | 7.80 |
| 26T | 3.00 | 7.50 |
| 27T | 2.89 | 7.22 |
| 28T | 2.79 | 6.96 |
Shaded rows are the pinions most 1/10 4WD 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 B74.1, with the range racers in the class run.
Get a recommendation →Shop pinion gears at AMain →What pinion gear should I use on the Team Associated RC10 B74.1?
It depends on your motor and the track. In the 1/10 4WD buggy class, racers gear by final drive ratio: 6T and below near 10.66, 7.5–8.5T near 10.00, 13.5T near 7.95. On the RC10 B74.1's stock 78T spur that is about 18T for 6T and below, 20T for 7.5–8.5T, 25T for 13.5T. 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 B74.1 selected.
What is the internal ratio (transmission ratio) of the Team Associated RC10 B74.1?
The RC10 B74.1 has an internal ratio of 2.5:1. Final drive ratio = spur ÷ pinion × 2.5. With the stock 78T spur, a 16T pinion gives an FDR of 12.19 and a 28T gives 6.96.
How many teeth is the stock spur gear on the Team Associated RC10 B74.1?
78 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.
- Front
- 50 wt
- Rear
- 35 wt
- Front
- 15,000 cst
- Rear
- 15,000 cst
What shock oil does the Team Associated RC10 B74.1 come with?
Out of the box the RC10 B74.1 runs 50 wt front, 35 wt rear (Team Associated oil), on 2 x 1.6mm FT v2 (#91626) front, 2 x 1.7mm FT v2 (#91627) 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.
What springs does the Team Associated RC10 B74.1 come with?
The kit springs are v2 Red (#91835) front, v2 Blue (#91840) rear. Stiffer springs suit high grip and big jumps; softer springs add grip on slick or bumpy tracks.
What diff fluid does the Team Associated RC10 B74.1 come with?
The kit diff fluid is 15,000 cst front, 15,000 cst rear. Thicker front adds steering on power; thicker center sends more drive rearward; thicker rear stabilizes the car under throttle.
Setup Help
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