Powerful fat tire electric bike with Strong driving force 500W Motor and 36V 12.5AH removable. The battery is removable, so you can take the battery to your home or office to recharge. Charging time:6-8 hours. Shipping weight 66.1 lbs. Net Weight 51.1 lbs. 20 x 4.0 Fat Tire For All Terrain. Tire size:20 x 4.0", Inner tube:20 x 4.0/4.9. Front and Rear Disc Brakes. Aluminum alloy frame. Maximum load capacity:200 lbs (90 kg). Max Speed:20 Mph (Electric Only, Rider weight 132 lbs, flat road and full power). Distance Per Charge:18-23 miles, the range depends on whether you use pedal assist power more or throttle power more. Come with pedal assist and walk assist model. Throttle Type:Variable Speed Control 1/2 Twist Throttle. Outage braking system and Mechanical braking system, work along both lines, provide security for your trip. Battery lock and power lock function.