This new multi-function electric mountain bike combines a clean integrated wheel design with the full versatility of a 21-speed Shimano gear system and a powerful lithium battery — giving you a single bike that handles mountain trails, urban commutes, fitness rides, and long-distance adventures with equal confidence. Whether you're climbing steep inclines or cruising flat city roads, 21 gear levels and 5 pedal assist modes mean you always have the perfect setting for the moment.