90% Pre-Assembled for Quick Setup: The electric bike arrives 90% pre-assembled, allowing for a fast and hassle-free installation. Get on the road in minutes and enjoy a smooth riding experience. Please refer to the manual or watch the video for installation steps 1500W High-Power Motor, Peak 3000W Output: Delivers instant torque and strong climbing ability, making uphill rides, sand, snow, and off-road terrain effortless Up to 35MPH Top Speed: Built for riders who want faster commuting and thrilling performance while maintaining stability and control Extended Riding Distance with High-Capacity Battery: the 52V 40Ah battery supports long-distance rides, daily commuting, and extended outdoor adventures 20×4.0 Fat Tires for All Terrain: Superior grip & shock sbsorption, Wide fat tires improve traction and stability on sand, snow, gravel, and city roads