About these items: High-Power Performance: Available in 450W, 750W, and 1800W models, these brushless DC motors deliver powerful output, ensuring efficient performance and energy conservation for electric bikes, scooters, and DIY electric vehicle projects. Impressive Torque & Speed: These motors provide smooth, high-speed performance, with up to 19.3 MPH at rated speed for the 450W model, 21.1 MPH for the 750W model, and 36.7 MPH for the 1800W model. Ideal for both commuting and recreational rides, offering fast and smooth operation even on rough terrains. Quiet and Reliable Operation: Equipped with a 100% copper core motor, each motor offers excellent heat and cold resistance, providing stable performance in extreme weather conditions. Noise levels are kept under 70 dB for a quieter ride. Advanced Safety Features: The motors come with upgraded controllers that include multiple safety protections such as overload, undervoltage, and short circuits. The controllers also provide speed control, braking functions, and optimal performance across different conditions. Easy Installation: Each motor kit comes with all the necessary components for quick installation, including a motor, controller, throttle options, assembly hardware, and a detailed user manual with wiring diagrams. Key Differences: Power Options: Choose from 450W, 750W, or 1800W motor kits, each offering varying levels of power suitable for different applications, from light electric bikes to more demanding custom projects. Torque & Speed: The 450W motor delivers up to 19.3 MPH with 1.43N.m torque, while the 750W motor offers 21.1 MPH and 2.5 N.m torque. The 1800W motor is the most powerful, reaching 36.7 MPH and 4 N.m torque, perfect for high-speed and heavy-duty use. Load Capacity: The 450W model supports up to 220.5 lbs (100 kg), while the 750W motor handles up to 771.6 lbs (350 kg), and the 1800W motor supports up to 330.7 lbs (150 kg) per vehicle, catering to different user needs. Motor Type & Efficiency: All models feature brushless DC motors with a copper core for high efficiency, delivering excellent energy conversion and long-lasting performance in challenging terrains. Installation Flexibility: The 450W and 750W models are suitable for general DIY projects and commuting, while the 1800W motor is better for custom high-power electric vehicle setups. Specifications: 450W Brush Motor: Rated Power: 450W Rated Torque: 1.43 N.m Rated Rotation Speed: 3000 RPM (410 RPM after deceleration) No-load Rotation Speed: 4000 RPM (560 RPM after deceleration) Rotation: CW Load Capacity: ≤ 220.5 lbs (100 kg) Noise: 70 dB Product Weight: 8.38 lbs (3.8 kg) Product Dimensions: 4.61 x 4.41 x 5.08 in (117 x 112 x 129 mm) 750W Brushless Motor: Rated Power: 750W Rated Torque: 2.5 N.m Rated Rotation Speed: 2700 RPM (450 RPM after deceleration) No-load Rotation Speed: 2900 RPM (480 RPM after deceleration) Rotation: CW Load Capacity: ≤ 771.6 lbs (350 kg) Noise: 70 dB Product Weight: 14.6 lbs (6.6 kg) Product Dimensions: 10.95 x 6.77 x 6.1 in (278 x 172 x 155 mm) 1800W Brushless Motor: Rated Power: 1800W Rated Torque: 4 N.m Rated Rotation Speed: 4500 RPM No-load Rotation Speed: 5300 RPM Rotation: CW Load Capacity: ≤ 330.7 lbs (150 kg) Noise: 70 dB Product Weight: 13.6 lbs (6.18 kg) Product Dimensions: 5.3 x 4.2 x 4.4 in (134 x 107 x 112 mm) Package Contents: 450W Motor Kit: 1 x 36V 450W Brushed Motor with Flywheel 1 x Motor Controller 1 x Thumb Throttle 1 x Set of Assembly Hardware 1 x User Manual 750W Motor Kit: 1 x 48V 750W Brushless Motor 1 x Motor Controller 1 x Set of Assembly Hardware 1 x User Manual 1800W Motor Kit: 1 x 48V 1800W Brushless Motor 1 x Motor Controller 1 x Foot Pedal Throttle 1 x Twistgrip Throttle 1 x Set of Assembly Hardware 1 x User Manual Additional accessories like chains, sprockets, bolts, nuts, etc. for installation
| Color | 4500rpm |
| Power Supply | USB or other DC power connection |
| SKU | sr25051616765189921 |
Brand Name: KFFKFF
Brand Page: https://us.shein.com/Brands/KFFKFF-sc-0142190178.html
Quality: 2321323 people said the quality is very good！
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