B: Wheel hub rotation + modified differential. C: Modified differential. 1:12 Scale: Perfectly scaled at 1:12 for precise compatibility with12428/12423 RC models. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
This product would be ideal for model train enthusiasts who want to restore or upgrade their WLtoys 12428 and 12423 1/12 scale metal differential gear sets.
