Vivi 26" electric mountain bike adopts a light aluminum alloy frame, a stronger 350W high-speed brushless motor and an 8Vh capacity battery, and high strength steel suspension fork, making riding more comfortable and stable, mechanical front and rear disc brake design, 21 speed and 3 levels pedal assistance(throttle). E-bikes speed can reach 20mph, allowing you to commute and to ride in the mountains more conveniently.