Heybike ebike The new Heybike Mars seamlessly blends rugged capabilities, exceptional comfort, and affordable cost. Mars is equipped with modular 48V 12.5Ah batteries and a 500W brushless geared motor to ensure a long life span and excellent performance. With 4-inch wide puncture-resistant fat tires and dual suspension. The places that hey bike mars can take you are almost limitless:downtown, rocky roads, sandy beaches, snowy suburbs, and even urban jungles. Customize your ride performance with 3 riding modes and Shimano 7-speed. The perfect dual disc brakes and lighting system fully protect your safety. It s no wonder it s the first fat tire electric bike you should have