Features1ALUMINUM ALLOY: Controller shell is made of aluminum alloy, wear resistant and durable, long service life. 2HEAT DISSIPATION: Electric bicycle controller set can protect the internal circuit, good heat dissipation and avoid thermal overload. 3APPLICABLE OBJECTS: Electric bike brushless controller set is applicable to electric bicycle, electric tricycle, electric motorcycle, with a wide range of applications. 4RUBBER GRIP: The grip is made of comfortable and soft rubber material, which is comfortable to hold and not tired for long time riding. 5SENSITIVE CONTROL: Electric bike throttle grip set can provide stable speed and sensitive braking and steering control with working performance.SpecificationItem Type: Electric Bicycle Controller SetMaterial: Aluminum Alloy, RubberTurning Handle Diameter: Approx. 22.2mm/0.87inController Parameters: Rated Power: 350WUndervoltage: 21.5VPackage List1 x Controller1 Pair x ThrottleGrip1 x ChargingInterface1 x ElectricDoorLock2 x Key