21 Speed E-Bike Disc Brake 48V/15ah 29" Inch Mountain Electric Bicycle for Adults

21 Speed E-Bike Disc Brake 48V/15ah 29" Inch Mountain Electric Bicycle for Adults. 10 Years Manufacturing Experience: Senior manufacturer with over a decade of expertise in electric bicycle production. Comprehensive OEM/ODM Services: Customize logos, colors, frame specs, battery capacity, and packaging design. Global Overseas Warehouses: Six warehouses in Poland, Germany, UK, US, Canada, and Australia for fast delivery. International Certifications: Passed CE, UL2849, UKCA, RoHS, FCC, and GCC for global market compliance. 24-Hour Customer Support: Professional team responds within 24 hours for inquiries and after-sales service. High-Quality Battery Options: 48V 15Ah Lithium battery with customizable capacity for extended range. Robust Mechanical Braking: Equipped with mechanical disc brakes featuring power cut-off functionality. Smart LCD Display: Shows speed, battery status, and pedal assist level for a better riding experience.