BLDC motor rear axle for Electric tricycle accessory with disc brake

1.The rear bridge size can custom make as customer required size.
2.The size measure way please see the measure figure.
3.The common use motors we have 350W,500W,550W,650W,750W,800W,850W,1000W and motor bigger power.
The motor and differential box color have white color and black color as customer optional.

Self Confirmation Integrated Shift Disc Brake Rear Axle Bridge Size
1.The first step - the professional measure a rear axle we need to measure the blue marked size,simply say - the distance from the inner of left side disc brake ear to the inner of the right side disc brake ear,thus confirming the length of the rear axle.
2.The second step --- confirm the distance of the steel plate
You can be seen from the above figure that the pink line and the red line are the distances of the steel plates,which are different 400mm and 600mm respectively.