Check the listing for details. Electric Bicycle E-bike Scooter Brushless 36-48V 250W DC Motor Speed Controller. Condition: New. Listed at 13.17 USD. High-quality Materials-This brushless controller is made of aluminum alloy, the shell is sturdy and durable. Circuit Protection-The brushless controller housing is made of aluminum alloy with groove design. Due to its good heat dissipation function, it can protect the internal circuit and avoid thermal overload. Sensitive Control-The electric bicycle controller is a brushless motor controller, which can provide stable speed and sensitive control of braking and direction changes. Long Service Life-The wires and interfaces of countless controllers are sturdy and durable, which can ensure less failure during long-term use. Simple Installation-The interface of the brushless controller has an instruction label, which i... .