Folding Electric Mountain Bike for Adults, 48V 7.8Ah, 21 Speed W320

500W motor provides the best performance, no pressure 30% climb ratio. 48V 7.8Ah 374.4Wh energy-saving battery and charger & 4-6H fast charging & anti-overcharge, suitable for daily commuting and day trips. 26" Anti-skid anti-vibration tires, double shock absorption, absorb road bumps. Front and rear disc brakes ensure your safety.  Portable 500W foldable electric bicycle, folding steps only need 3 steps 5 riding modes and 21-speed; changes provide conditions to challenge a variety of terrain. ✨Advanced Configuration: Suspension Type: Front, Rear, Full Suspension Brake: Front and Rear Disc Protection System: Brake Power Off Display: LED Intelligent Display 5 Riding Modes: Pure Electric, Pedal Assist, Regular Bike, Booster Mode, Constant Cruise Mode Transmission: Shimano 21 Speed (3-speed chain wheel and 7-speed free-wheel) Tires: Double-walled aluminum alloy Rims Free Accessories: Front and rear fenders, LED headlights, rear reflector, bell 🚴Ebike Specifications： Color: 500W-Black Red Material: Carbon Steel, Aluminum Alloy Suspension Type: Front and Rear Dual Shocks Brake system: Front and Rear Disc Brakes Motor Power: 500W Brushless Rear Hub Motor Max Speed: 19MPH Voltage: 110V Battery: 48V 7.8Ah Lithium Ion Battery(UL 2849 Certified) Charge Time:4-6H Riding Range: 44-50 miles (pedal-assisted mode) /22-32 miles (electric mode)   Wheel Diameter: 26 * 1.95 inch Wheels Type: Double-Walled Aluminum Wheels Power Gear: 7 Gear Number of Speeds: 21 Speed Display: LED 3-speed Smart Meter Button Speed Mode: Low/Mid/High 5 Riding Modes: Electric Bike, Pedal-assist Bike, Human Exercise Mode, Booster Mode, Cruise Control Mode Bike Type: Folding Electric Mountain Bike Ebike Size: 67*26*42.5 inch Foldable Size: 35.9*34.3 inch Full Length: 67 inch Handlebar Height: 39inch-42 inch Handlebars Length: 26 inch Seat Height: 32inch-37 inch Fit Height: 62 inch-75 inch Bicycle weight: 60 lbs Recommended Height: 62-74 in Package size: 54 x 9.5 x 26 in Package weight: 64 lbs Load Capacity: 330 lb 📦Package Content: 1 x Electric Bicycle 1 x Battery 1 x Instruction 2 x Fenders 1 x Reflector 1 x Toolkit 2 x Keys Tips: Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. Thank you!