Features:
Made of high intensity aluminum alloy material, shock-resistant and durable.
Intelligent design provides steady speed and sensitive control of braking and direction changes.
Solid metal can effectively protect the internal circuit and facilitate heat dissipation.
Durable cable and interface, ensure a low failure rate when used for a long time.
Suitable for electric bicycles, scooter. Great replacement for Kugoo M4.
check out youtube videos if unsure how to change, however it is relatively straightforward.

Specifications:
Material: Aluminum Alloy
Voltage: DC 48V
Brakes: Low Level
Current: 20A
Speed Set: 1.1-4.2V Dual Mode
Item Size: 10 * 6 * 3cm / 3.9 * 2.4 * 1.2in
Item Weight: 249g / 8.8oz

Package List:
1* Motor Controller