Features1Sensitive Control: Brushed motor controller can provide stable speed and sensitive control of braking and direction change. 2Aluminum Alloy Material: Made of aluminum alloy material, with fine grooves, the controller has a good heat dissipation. 3Multi Protection: This controller possesses undervoltage protection, over current protection, stall protection, etc., ensuring the use and safety of electric bikes. 4Easy to Install: Comes with a compact size and a light weight as well, the easy installation can be quickly completed. 5Ideal Replacement: This controller possesses good heat dissipation and long life is an ideal replacement for the old and damaged parts.SpecificationItem Type: Electric Bike Brush Motor ControllerProduct Material: Aluminum AlloyPower: 500WPackage List1 xElectric Bike Brush Motor Controller