Key Features 1.Strong Load Weight: It has a strong load weight (220.5-440.9lbs). Whether a professional athlete or a leisure sports enthusiast, it can provide you with a thrilling cycling experience. 2.Impressive Performance: It adopts high power (3KW) that can provide a rated speed of 4900 rpm and a 6000 rpm no-load speed, as if weaving through a time and space tunnel intertwined with technology and speed, ideally interpreting the aesthetic of speed. 3.Safe to Use: It has an IP33 protection level, an E-class insulation level, and a design of locking power. Even in outdoor activities with slightly harsh environments, it can provide higher safety for you. 4.Efficiency Improvement: Compared to brush motors, brushless motors have higher energy efficiency (≥ 80％) and can convert more electrical energy into mechanical energy, which can extend the range and improve usage efficiency. 5.Easy to Carry: Due to its lightweight (14.2lbs) and compact size (4*5.2in), the motor can be easily carried to any location, saving time and effort. 6.Free Speed Control: The package contains a foot pedal accelerator and a set of forward/backward handlebars. You can choose any one as your speed control throttle, which can help you achieve free speed control and meet your different needs. Details Heat Dissipation Holes: These holes on both sides of the motor can avoid overheating during operation without burning. Diamond-shaped Pattern: The pattern on the handlebars can effectively enhance its friction, making the grip more comfortable and firmer. Specification Material: Aluminum, Rubber Brushless Motor Type: Pure Copper Motor Speed Gears: Low / Medium / High (After Connecting Three-speed Line) Motor Voltage: 48-72V Motor Efficiency: ≥ 80％ Power: 3KW Assembly Required: Yes No-load Current: ≤ 8.8A Rated Current: ≤ 43A No-load Speed: 6000rpm Rated Speed: 4900rpm Rated Torque: 5.4 N.m Protection Grade: IP33 Insulation Grade: E Load Weight: Approx. 100-200kg/220.5-440.9lbs Foot Pedal Accelerator Size: 5.5*17.5*12.8cm/2.2*6.9*5in Controller Size: 21.6*8.3*4.4cm/8.5*3.3*1.7in Leg Distance: 12cm/4.7in Leg Height: 1.5cm/0.6in Interface Length: 3cm/1.2in Motor Size(φ*L): 10.2*13.2cm/4*5.2in Package Size: 39*35*25.5cm/15.4*13.8*10in Net Weight: 6.45kg/14.2lbs Gross Weight: 7.7kg/17lbs Package Included 1* Brushless Motor 1* Controller 1* Foot Pedal Accelerator 1* Electric Door Lock 1* Chain 1* Chain Disk 1 Pair* Lock Keys 1 Set* Forward/Backward Handlebars