features 250W powerful motor, 25km/h max speed, 15km electric range, and 50km range by power assistance. With adjustable seat height and collapsible design, this electric bike is very convenient to use. Features: 250W powerful motor offers a fast speed of up to 25km per hour. 15km range in pure electric mode, 50km range by power assistance. 6.4AH lithium battery takes 3 - 5 hours to full charge. Adjustable seat height (29.9 - 36.2) suits different riders. Rear suspension system reduces shock for a comfortable ride. Magnesium alloy construction for extreme durability. Max. load: 120kg (264lb). Super bright, wide-angle LED headlight for added safety at night. 3 seconds quickly collapsible for easy storage and transport. Ideal for urban, commuting, short trip, shopping and daily use.