[Powerful Brushless Motor]: Electric bicycle rear wheel conversion kit features 48V 1000W brushless and gearless hub motor for efficient running; fit for any 26 bicycle frame, easily convert your bicycle to electric bike and. Suitable for regular bicycles used on commuting and short journey. High effective Pedal assist system (PAS) for sensing your pedal cadence and allowing you to ride electric bike comfortably without pressing the throttle on the handlebars, can avoid uncomfortable wrist positions and easy to pedal with less fatigue, great for a long-distance journey. Brake levers for cutting off the power and braking when riding, can ensure riding safety; CE certificated for quality and safety assurance; battery powered design for environmental protection. Motor Type:Brushless Gearless hub motor. Wheel Bottom Bracket:Front:100mm Gear:135mm. Rated Efficiency (%):=80. Waterproof grade (IP Grade):IP65. 11T4 water proof cable.