Key Features High Applicability: This product is universal for 48V/60V/72V in many styles . thus having high adaptability. High Safety: The product has an IP33 protection level and an E-class insulation level . which can provide higher safety for your use. High Efficiency: The product's high speed (6000rpm) and high torque (5.4N.m) allow you to save time by effectively increasing work efficiency. Material: This product is made of aluminum housing and pure copper coils . with high-temperature resistance . low noise . anti-corrosion . and anti-rust properties. Easy to Store and Carry: The compact motor size (4.21*5.28 inches) and light weight make them easy to carry and store. You can easily put them in the trunk as a power supplement at any time. Easy to Install: The simple product structure and the comprehensive mounting parts in the package can help you make connections quickly and accurately. Brushless Motor: The brushless motor is more efficient in converting electrical energy into mechanical energy because there does not have friction loss. And since brushless motors have permanent magnets on the rotor . it is easier to produce high torque than the coils on traditional brushed motors. Reversible: The product can be operated clockwise or counterclockwise by the motor's reversing wire or the handle reversing switch . so as to meet your various usage needs. Multi-function Controller: The controller has an electronic brake . 3 speeds (low . medium . and high speed) . reverse function . indicator light . and power lock function . which makes the use more precise and easy. Details Anti-slip Handle: The diamond-shaped handle surface can effectively enhance friction . thus making the grip more comfortable and stable. Feet: The feet on the bottom of the motor can effectively improve the stability of the motor . thus ensuring a more stable and efficient operation of the product. Application: Suitable for electric motorcycles . beach bikes . go-karts . modified bicycles . mechanical equipment . etc. Notes 1.Motor speed will depend on your load weight and other conditions. 2.Please do not let the motor run in reverse for a long time . it is not friendly to the motor life. 3.Please allow the slight color difference caused by the shooting light and the 1-3 cm error due to manual measurement . and make sure you do not mind before ordering.