Setups
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Gearing
Stock gearing for the ARRMA Senton BLX/MEGA, with common pinions and their ratios.
| Pinion | Spur ÷ pinion | FDR |
|---|---|---|
| 13T | 4.38 | 12.50 |
| 14T | 4.07 | 11.60 |
| 15T | 3.80 | 10.83 |
| 16T | 3.56 | 10.15 |
| 17T | 3.35 | 9.56 |
| 18T | 3.17 | 9.03 |
| 19T | 3.00 | 8.55 |
| 20T | 2.85 | 8.12 |
Shaded rows are the pinions most 1/10 4WD short course truck setups run on the stock spur.
What pinion should I run?
Tell us your motor and track and get a starting pinion for the ARRMA Senton BLX/MEGA, with the range racers in the class run.
Get a recommendation →Shop pinion gears at AMain →What pinion gear should I use on the ARRMA Senton BLX/MEGA?
It depends on your motor and the track. In the 1/10 4WD short course truck class, racers gear by final drive ratio: 4000 kV and up near 11.00. On the Senton BLX/MEGA's stock 57T spur that is about 15T for 4000 kV and up. Tight tracks gear down, open tracks gear up. For a starting pinion matched to your motor, use the So Dialed Pinion Recommender with the Senton BLX/MEGA selected.
What is the internal ratio (transmission ratio) of the ARRMA Senton BLX/MEGA?
The Senton BLX/MEGA has an internal ratio of 2.85:1. Final drive ratio = spur ÷ pinion × 2.85. With the stock 57T spur, a 13T pinion gives an FDR of 12.50 and a 20T gives 8.12.
How many teeth is the stock spur gear on the ARRMA Senton BLX/MEGA?
57 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 (BLX). Part numbers link to AMain.
- Front
- 500 cst
- Rear
- 500 cst
- Front
- Kit #330538 →
- Rear
- Kit #ARAC9099 →
What shock oil does the ARRMA Senton BLX/MEGA come with?
Out of the box the Senton BLX/MEGA runs 500 cst front, 500 cst rear. 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 ARRMA Senton BLX/MEGA come with?
The kit springs are Kit (#330538) front, Kit (#ARAC9099) 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 ARRMA Senton BLX/MEGA is in the RC Setup App
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