About these items This high-power brushless DC motor kit delivers efficient and robust performance, making it ideal for electric bikes, scooters, go karts, and other DIY electric vehicle projects. With output power options of 1800W, 2000W, and 3000W, and conversion efficiency ≥85%, these motors ensure energy savings and stable operation even on difficult terrain. Copper core construction enhances durability and temperature resistance, while intelligent soft-start functionality maximizes rider safety during acceleration. These motors offer impressive speed and torque, reaching up to 39.8 MPH at rated speed and a no-load speed of up to 67 MPH when paired with a 16" wheel. Torque outputs range from 4 N.m to 5.5 N.m, providing reliable propulsion even on steep gradients. The motors support both CW and CCW directional control in selected models, ensuring smooth and adaptable vehicle control in various driving scenarios. Equipped with an upgraded motor controller, each kit includes integrated safety features such as overload, undervoltage, and short circuit protection. Essential control functions like braking, reverse, speed regulation, and slow start are included, enabling a smooth, safe, and responsive driving experience. Controllers are fine-tuned to ensure optimal motor performance under varying load conditions. The brushless motors are designed for quiet and consistent operation with a maximum noise level of only 70 dB. Dual-direction compatibility (CW/CCW) enhances maneuverability in compact spaces, while high-quality copper windings improve conductivity and resilience. These motors are engineered to perform reliably in both hot and cold climates, maintaining stability and longevity over time. All motor kits come with comprehensive assembly accessories and detailed wiring instructions, making installation straightforward for DIY users and electric vehicle enthusiasts. Each package includes the motor, controller, throttle (twistgrip or pedal), and necessary mounting hardware, with select models including sprockets, chains, and multifunction tools to suit a variety of configurations and user preferences. Key Differences The 1800W model supports a rated speed of 36.7 MPH and a no-load speed of up to 46 MPH, with CW or CW/CCW rotation depending on variant. The 2000W model offers enhanced torque at 4.8 N.m and also supports CW/CCW directional control, reaching up to 46 MPH no-load speed. The 3000W version delivers the highest torque of 5.5 N.m and a rated speed of 39.8 MPH, with peak no-load speed up to 67 MPH. Some kits include twistgrip throttles with e-lock and battery indicators, others use foot pedal controls or feature multifunction twistgrips with 3-speed and reverse. Weight and package contents vary by model, with more advanced kits offering sprockets, chains, and junction boxes. Specifications Rated Power: 1800W / 2000W / 3000W Rated Torque: 4 N.m / 4.8 N.m / 5.5 N.m Rated Rotation Speed: 4500 RPM / 4300 RPM / 4900 RPM No-load Speed: 5600 RPM / 5600 RPM / 6700 RPM Rotation: CW or CW/CCW depending on model Load Capacity: ≤ 330.7 lbs / 150 kg (1800W, 2000W) and ≤ 397.8 lbs / 180 kg (3000W) Noise: 70 dB Gear Ratio: 9 teeth / 11 teeth: 64 teeth (varies) Product Dimensions: 5.3 x 4.2 x 4.4 inch / 134 x 107 x 112 mm Product Weight: ranges from 11.2 lbs to 15.7 lbs Package Contents 48V 1800W Motor Kit: Motor, Controller, Foot Pedal or Twistgrip Throttle, Charger (optional), Assembly Hardware, User Manual 48V 2000W Motor Kit: Motor, Controller, Twistgrip Throttle (with or without e-lock), 3-Speed Switch (optional), Assembly Hardware, User Manual 72V 3000W Motor Kit: Motor, Controller, Multifunction Twistgrip Throttle, T8F-64 Tooth Sprocket, T8F-116 Chain, Assembly Hardware, E-Lock + Keys, User Manual
| Material | Aluminum Alloy |
| Features | Speed Adjustment |
| Supported Motor Type | DC |
| Color | 1800W 48V 4500rpm With Handle |
| Power Supply | USB or other DC power connection |
| SKU | sh25051254991251796 |