| Tune your FM-A chassis by altering the gear ratio. These gears are an easy way to increase the speed of your machine. This set includes gears to achieve five different ratios (3.5:1, 3.7:1, 4:1, 4.2:1 and 5:1)!
- 1.4mm Hollow Lightweight Propeller Shaft x1
- Reinforced 8T Pinion and G-2 Gears x2 each
- 620 Ball Bearing x1
- Fluorine Coated Gear Shaft x1
- Compatible with FM-A, Super X and Super XX chassis cars.
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