AIMA Big Sur 26" Fat Tire EbikeBig Sur is a 26 x 4 fat tire e bike with 750W powerful Bafang motor designed for all terrains. As a Class 2 3 e bike, its speed can go up to 20mph on throttle mode and 28 mph on PAS mode. And specially designed big headlight and big rotor along with LG 21700 big battery cells make Big Sur one of the safest e bikes. Besides, equipped with 52T big crankset and AIMA Comfort big saddle, Big Sur provides riders with remarkably comfortable and smooth riding