Ask Miles, our Setup AI that’s been trained on the RR5 Max Series.
Setups
Gearing
Stock gearing for the MCD Racing RR5 Max Series, with common pinions and their ratios.
| Pinion | Spur ÷ pinion | FDR |
|---|---|---|
| 14T | 4.29 | 12.86 |
| 15T | 4.00 | 12.00 |
| 16T | 3.75 | 11.25 |
| 17T | 3.53 | 10.59 |
| 18T | 3.33 | 10.00 |
| 19T | 3.16 | 9.47 |
| 20T | 3.00 | 9.00 |
| 21T | 2.86 | 8.57 |
| 22T | 2.73 | 8.18 |
| 23T | 2.61 | 7.83 |
| 24T | 2.50 | 7.50 |
What pinion should I run?
Tell us your motor and track and get a starting pinion for the MCD Racing RR5 Max Series, with the range racers in the class run.
Get a recommendation →Shop pinion gears at AMain →What pinion gear should I use on the MCD Racing RR5 Max Series?
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 RR5 Max Series 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 MCD Racing RR5 Max Series?
The RR5 Max Series has an internal ratio of 3:1. Final drive ratio = spur ÷ pinion × 3. With the stock 60T spur, a 14T pinion gives an FDR of 12.86 and a 24T gives 7.50.
How many teeth is the stock spur gear on the MCD Racing RR5 Max Series?
60 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 (Ultimate). Part numbers link to AMain.
- Front
- 1000 cst
- Rear
- 1000 cst
- Front
- 14kg Silver #3212015 →
- Rear
- 14kg Silver #3212015 →
- Front
- 4 x 2mm
- Rear
- 5 x 2mm
What shock oil does the MCD Racing RR5 Max Series come with?
Out of the box the RR5 Max Series runs 1000 cst front, 1000 cst rear, on 4 x 2mm front, 5 x 2mm 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 MCD Racing RR5 Max Series come with?
The kit springs are 14kg Silver (#3212015) front, 14kg Silver (#3212015) rear. 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 MCD Racing RR5 Max Series is in the RC Setup App
Save every setup change you make to your MCD Racing RR5 Max Series, get AI tuning answers for that exact car, and log your races — at the track or back in the pits.
- Setup Tracking
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- Race Log
- Gear Ratio Calculator
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