• 【Folding Electric Bike Design】: The Vivi folding electric mountain bike features a super lightweight yet strong aluminum alloy frame that can quickly fold up for easy storage in your car trunk or at home. It's easy to carry, so you can start your ride anytime. With adjustable seats, handlebars, and removable batteries, it fits riders of different heights and weights, ensuring a comfortable experience.
• 【Professional 21-Speed System】: The mechanical front and rear disc brakes offer reliable stopping power and safety. The 21-speed transmission system gives you a variety of speed options. Plus, the bike comes with a shock-absorbing front fork and high-quality rear shock absorber, making for a smoother ride on hills, downhill, and rough roads. It's perfect for mountain biking, city cycling, and commuting.
• 【Powerful 500W（Peak 750W）Motor】: The Vivi electric bike for adults is equipped with a 500W（Peak 750W） high-speed brushless motor, which has a longer lifespan and quicker startup. The removable battery features an energy-saving system for longer battery life. A 4-6 hour charge is enough for your daily commute or a full day of mountain biking.
• 【Three Working Modes】: The E-bike, Assisted bicycle, and Normal bike modes offer flexibility for different needs. With the LCD smart display, you can get a range of 44-50 miles in pedal-assist mode or 22-25 miles using throttle only. Choose the E-bike mode for long trips or the bicycle mode for exercise. Combining all three modes might be the best choice.
• 【Service】: The Vivi adult electric bike comes 90% assembled, and it's easy to finish the assembly yourself. The motor, battery, controller, and dashboard are covered by a 1-year warranty. We also include front and rear fenders for free, so you don't have to worry about using it in different conditions. Feel free to contact us if you have any issues.

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