Part: Wheel Speed: 60-70 km/h Motor: 1500 Brushless DC Motor Controller: 35A Smart Controller Throttle: Thumb throttle or Twist throttle Voltage: 48 V/60 V/72 V Product Name: 1500 W e bike kits Wheel size: 12 -28 (700c) Brake lever: 2 electric brake levers (can power off from both side) PAS: 1: 1 Intelligent Pedal Assistant System Brake Type: Disc Brake and V brake are suitable. Show More