DUOTTS F20 52V 27AH Electric Bike for Adults with 750W Motor, 89 Miles Long Range, 20"x4.0" Tires, 7-Speed Gears Ebike UL2849, E-bikes for Couples

Powerful 52V Battery & Extended Range: Equipped with a high-capacity 52V 27AH battery using premium Dongci 21700 cells. Enjoy up to 50-70 km on pure electric power and an impressive 130-140 km in pedal-assist mode, perfect for long commutes and adventures. 70NM Motor & 30° Climbing Ability: The robust 70NM rear-drive motor delivers strong acceleration and effortlessly conquers city slopes with a maximum 30° climbing angle, making hills and inclines feel easy. Stable All-Terrain Performance: Features 20"x4.0" fat tires and a front suspension fork with 80mm travel to absorb bumps and provide a smooth, stable ride on various surfaces, from city streets to light trails. Safe and Reliable Braking System: Includes professional dual-piston Z00m hydraulic disc brakes for confident and powerful stopping power in all conditions, combined with a motor cut-off feature for enhanced safety. Smart Features & Comfortable Design: Connect to the DUOTTS app via Bluetooth to monitor your ride. The bike also features a user-friendly 7-Speed SHI--MANO Tourney gear system and is ergonomically designed for riders between 5'7" and 6'7" (170-200cm).