Riding Fat G20 is total new experience. Whether you go to work or go on vacation nearby, to the beach or to the woods, to see sunrise or sunset, let G20 go with you , take you to anywhere you can go. Powerful fun for miles      – 750-watt hub motor delivers speeds up to 27.96 mph (45 km/h), and a rechargeable 48-volt battery system helps achieve up to 34.17 miles (50 km) of cruising; Reliable and steady             – 20*4.0 anti-puncture tires are air-filled and heavy duty, you are fearless of the rugged terrain; Smooth and stable               – The rear-wheel drive unit apportions greater weight to the rear, enhancing both drive traction and ease of steering; Ride where you want          – Recommended for riders ages 18 and up, with features like a bright LED headlight and brake-activated taillight; Sturdy and Durable             – With high quality steel construction, Ramble V1 is a solid and durable electric ride that stands up to rugged use; Sitting and riding stylish  –  The Fat G20 equips sturdy and spacious seat, at the height of 20″ inch which make you sit comfortable and powerful when riding. More Specification Motor power 48V 750W Rear Hub Derailleur Shimano 7 Speed Derailleur Max speed 45km/h (27.96 mph) battery Samsung 50E-21 700-50000mh Max range 50km Brake Hydraulic Disc Brake Charge time 7-8hours Max climbing 7° Frame material 20inch Alu frame Display LCD display Tire Kenda 20*4.0 waterproof rate IP65