Features: 250W high-speed provides strong power for the ebike to reach a top speed of 25km/h and climb a hill of 20. 36V 12.5AH large-capacity battery enables long range up to 30-50km in pure electric mode, or 40-75km in pedal assisted mode. Aluminum alloy frame is built for high strength and rigidity, sturdy enough to accommodate user weight up to 120kg. Adjustable seatpost height provides a perfect riding position for different users. Fits riders height from 5.6' to 6.2'. Front and rear disc brakes provide a quick and reliable stopping power to ensure you ride safely with confidence. Super bright LED headlight and taillight ensure higher visibility and safety at night.