Setups
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Gearing
Stock gearing for the GL Racing GTR, with common pinions and their ratios.
| Pinion | Spur ÷ pinion | FDR |
|---|---|---|
| 4T | 13.25 | 13.25 |
| 5T | 10.60 | 10.60 |
| 6T | 8.83 | 8.83 |
| 7T | 7.57 | 7.57 |
| 8T | 6.63 | 6.63 |
| 9T | 5.89 | 5.89 |
| 10T | 5.30 | 5.30 |
| 11T | 4.82 | 4.82 |
| 12T | 4.42 | 4.42 |
| 13T | 4.08 | 4.08 |
| 14T | 3.79 | 3.79 |
| 15T | 3.53 | 3.53 |
| 16T | 3.31 | 3.31 |
Shaded rows are the pinions most 1/24-1/28 2WD touring/gt setups run on the stock spur.
What pinion should I run?
Tell us your motor and track and get a starting pinion for the GL Racing GTR, with the range racers in the class run.
Get a recommendation →Shop pinion gears at AMain →What pinion gear should I use on the GL Racing GTR?
It depends on your motor and the track. Racers in the 1/24-1/28 2WD touring/gt class run a 6–14 tooth pinion in most setups, usually on a 53T spur for a final drive ratio near 5.30. Hotter motors (lower turns, higher KV) take a smaller pinion; tight tracks gear down, open tracks gear up. For a starting pinion matched to your motor, use the So Dialed Pinion Recommender with the GTR selected.
What is the internal ratio (transmission ratio) of the GL Racing GTR?
The GTR has an internal ratio of 1:1. Final drive ratio = spur ÷ pinion × 1. With the stock 53T spur, a 4T pinion gives an FDR of 13.25 and a 16T gives 3.31.
How many teeth is the stock spur gear on the GL Racing GTR?
53 teeth. Changing the spur moves every pinion's ratio at once; most racers leave the spur and tune with the pinion.
Setup Help
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