Item description from the seller1200W POWERFUL BRUSHLESS MOTOR--The BR100 adult electric bicycle adopts a 1200W high-speed brushless rear hub motor, and the torque of 80Nm provides strong climbing power to meet your daily all-terrain riding. Top speed is up to 32.5+MPH mph. Take you to your destination quicklySAFETY AND DURABILITY--The BR100 adopts upgraded all aluminum frame,comes standard with upgraded twist-grip throttle for easy control of riding speed, and dual hydraulic disc brakes have motor inhibitors that instantly cut power when braking，equipped with multi-function LCD,making your commute journey easier more stable and safeUPGRADED REMOVEABLE LARGE CAPACITY BATTERY--Adult electric bike comes with a 48V/20Ah removable lithium-ion battery. With 4-8 hours fast charging, this electric bike can reach 30-50 miles in pure electric mode and 50-80 miles in pedal assist mode (PAS mode). (depending on rider weight and road conditions). Removable battery, waterproof and easy to take home or office20" X 4 FAT TIRES and DUAL SHOCKS--Standard 20" X 4.0 tires provide greater grip and traction. Features excellent dual-shoulder suspension front forks and rear shocks for a more comfortable ride. Fat tires can conquer all kinds of rough terrain, including snow, beaches, rough mountain roads and more.FAST SSHIPPING FOR YOU--Our warehouse is in Los Angeles, as long as you pay for the order, we can ship it within 24 hours, and it can be delivered in about 4 days. You can ask me any questions about this electric bike, I will help you to answer all your questions as soon as possiblePROFESSIONAL CUSTOMER SERVICE--The adult electric bike arrives 85% pre-installed, just assemble the front wheel, front fender,kick stand,handlebars and pedals. We offer a professional warranty for YYG electric bikes (for more instructions, please read the warranty policy), and also have installation videos. If you have any questions, please feel free to contact us. You will receive high quality customer serviceProduct Information:Function: Electric, PAS (5 levels) and Manual cycling;Suitable Heights: 5.0-6.0 Ft;Maximum Load: 350lbs;Maximum Speed: 28MPH;Maximum mileage: 45Miles;Maximum Gradablity: 35°;Storage Temperature: -10°C to 40℃;Waterproof Level: IP5;LED Light: Front and brake light;Materials: Alumium alloy;Tyre size: 20*4 inch fat tire;Battery Capacity: 48V 20Ah;Brake: dual hydraulic disc brake;30-day money-back For 30 days after the date of purchase, return your undamaged YYG product and receive a full refund for ANY REASON.（Note: The cost of return shipping will be borne by the customer if the product has no quality issue.）18-month warranty 18-month warranty for Our Ebike from YYG Ebike.LimitationsOur returns and exchange service is limited to all purchases made from YYG Ebike. If you purchased through a different retailer, please contact them directly.Returned product must be in good physical condition (not physically broken or damaged)If you return a product to YYG, without an RMA from YYG without all parts included in the original package, YYG has the right to refuse delivery of such return