✨ 2000W Electric Brushless DC Motor Kit - 48V 4300rpm Motor with Upgraded Speed Controller for Go Karts E-Bike Motorcycle Scooter 2000W Electric Brushless DC Motor Kit - 48V 4300rpm Motor with Upgraded Speed Controller for Go Karts E-Bike Motorcycle Scooter Feel the Speed Enhance Your Ride New-Generation Controller 100% Pure Copper Core Motor Dual-Direction Control Efficient Performance Applicable Gear Ratio: 9 teeth / 11 teeth: 64 teeth,No-load Rotation Speed: 5600 RPM,Load Capacity: ≤ 330.7 lbs / 150 kg,Noise: 70 dB,Rated Rotation Speed: 4300 RPM,Item Model Number: JZ48V2000W,Product Weight: 12.1 lbs / 5.5… #biciclette