DTTZH F6 20" Fat Tire electric bike 2000W 40MPH Off-Road mountainEbike for Adult

Choose from 3 riding modes: pure electric, pedal assist, or manual. 【NFC/Password Unlock & Large Color LCD Display】 Ditch bulky keys! Unlock your e-bike in 1 second via an NFC card or 4-digit password—perfect for busy mornings or sharing the bike with family (no more fumbling with extra keys).