???? Long-Range Removable Battery The U4 electric bike is equipped with a 36V 10.4Ah removable lithium battery, providing dependable power for daily commuting and leisure rides. The battery can be easily removed for convenient charging at home or in the office and reaches a full charge in approximately 4–5 hours. Pure Electric Mode: up to 30–40 km Pedal Assist Mode: up to 50–60 km Removable design for flexible charging Ideal for urban commuting, shopping trips, and recreational riding ⚡ 250W Motor with 3 Riding Modes Powered by a 250W brushless motor, the U4 delivers smooth acceleration and efficient performance while maintaining excellent energy efficiency. Choose from 3 riding modes to match different riding situations: Bike Mode – Ride like a traditional bicycle Pedal Assist Mode – Ex.
