About this item 【Powerful Dual Motors】Note: The Keteles adult electric bicycle has a single 48V motor (peak) power of 750W. The dual motors work together to provide a (peak) power of 1500W and a high torque of 170N·M, allowing you to easily handle various terrains and climb steep slopes of up to 40°,The maximum speed is 20mph. 【High-Performance Battery】: The bike is equipped with a high-capacity removable 48V 22.4AH battery with a total capacity of 1075WH. Depending on the load and terrain, the range in pure electric mode can reach about 40-50Km, and the range in electric assist mode can reach about 80-100Km. Our adult electric mountain bike is equipped with a 7-9 hour fast charging system and a meter that displays real-time battery power, allowing you to get on the road quickly, perfect for long-distance riding 【26''x4''Fat Tire】: This adult electric bike is equipped with 26" x 4" Fat Tires, easily conquering any terrain. Easily cross the beach, snow, gravel roads, rainy days, mud, sand, etc. It has a 2-in-1 running light and brake tail light, which integrates a constant running light for enhanced visibility and a brake light for deceleration warning into one compact device, ensuring safety when riding at night 【5 Versatile Riding Modes】The electric bike offers 5 riding modes, allowing you to customize your riding style according to your preferences and conditions: dual-motor pure electric, single-motor pure electric, power-assisted, walking mode, cruise mode. The handlebar is equipped with an adjustable switch to switch between single-motor or dual-motor mode. The 21-speed transmission allows you to change speeds according to different terrains, thereby improving riding comfort and efficiency 【Sturdy frame, excellent structure】: This adult electric bike adopts a lightweight aluminum alloy frame, high-strength front suspension fork, and front and rear disc brakes, with a load capacity of up to 120kg. At the same time, the oversized padded seat provides ample support, and the ergonomic handlebar brings a natural and relaxed riding posture. whether it is commuting or leisure riding 【Easy Assembly & 12-Month Protection Plan】Dual motor electric bike are 85% pre-assembled, you don't need to waste time on complicated assembly. Video guides are available on the product page or other official channels, if you have any questions, you can always contact us for help, we will provide solutions within 24 hours. 12 Months warranty on battery, motor and controller, And has been providing technical support. Kindly keep the original packaging for 1 month for possible Exchange, etc