Defiant PRO Folding Electric Fat Tire Bike. Driven by a powerful 48-volt motor, and a peak output of 1130 watts, the Defiant Pro gives you swift acceleration and the ability to maintains high speeds effortlessly. Easily conquers steep inclines and challenging terrains with remarkable ease. Its front shock delivers a smooth and comfortable ride even on the roughest terrains. Upgraded features include hydraulic brakes for enhanced stopping power and precision, alloy rims, trigger shifting with upgraded derailleur, full city fenders, and a MIK compatible rack to amplify its utility and functionality.