Features: 1.High Quality Material: Electric bicycle motor kit is made of high quality aluminium alloy material, rustproof, high strength, sturdy and durable. 2.Standard: Electric motor rated voltage is DC12V, output power is 250W, and the rated speed is 2750RPM, with 11 teeth gear. 3.Excellent Performance: Electric gear motor supports working with low noise, low current and no sparks, good heat dissipation. 4.Package: Electric motor kit comes with a controller, a 3 hole 72 teeth chain wheel, a 146 links chain, and a throttle grip, meet your need. 5.Wide Application: Electric gear motor is suitable for electric scooter, motorcycle, electric bike, go karts, electric tricycle, and more.Specification:Item Type: Electric Motor KitMaterial: Aluminium AlloyMotor Rated Voltage: DC12VMotor Output Power: 250WMotor Rated Speed: 2750RPMMotor Rated Current: 28AMotor Gear: 11 TeethMotor Controller Rated Voltage: DC12VMotor Controller Rated Power: 250WNumber of Chain Links: 146 links3 Hole Chain Wheel Teeth: 72 TeethChain Standard: 25HFitment: Electric Scooter, Motorcycle, Electric bike and Bicycle, Go Karts, Electric Tricycle, Mid Drive Motor Kit, Complete Set, DIY Engine System, Cycling Part, and More.