B: Wheel hub rotation + modified differential. C: Modified differential. 1:12 Scale: Perfectly scaled at 1:12 for precise compatibility with12428/12423 RC models. A: Wheel hub rotation + 2 drive gears.
12 Scale Metal Differential Gear Set for WLTOYS 12428 12429 RC Car Replacement
Metal Differential Gear Set for WLTOYS 12428 12429 JJRC8830 RC Car Replacement
Replacement Metal Differential Gear Set for WLTOYS 12428 12429 RC Vehicles
