No setups found
No public setups have been shared for this car model yet.
Have a setup for the Senton BLX/MEGA?
Share your setup sheet with the community — we'll fill in the details automatically.
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 →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.
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.
57 teeth. Changing the spur moves every pinion's ratio at once; most racers leave the spur and tune with the pinion.
Kit shock setup (BLX). Part numbers link to AMain.
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.
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.
Free to start · iOS & Android
Your ARRMA Senton BLX/MEGA is in the RC Setup App
Save every setup change you make to your ARRMA Senton BLX/MEGA, get AI tuning answers for that exact car, and log your races — at the track or back in the pits.

