Gearbox: F-5021 high torque three-speed gearbox, reduction ratio: first gear 1/20.9; second gear 1/10.5; third gear 1/5.2 Axle: Wheel-side reduction axle, differential reduction ratio is 1:3.1; wheel-side reduction is 1:3. The total reduction ratio is 1:9.9
Color: Factory green RTR. If other colors are required, please contact customer service for customization.