Speedrid 26 Electric Bike for Adults, Electric Mountain Bike/Electric Commuting Bike with 36V 8Ah Battery, and Professional 21 Speed Gears

COST-EFFECTIVE DESIGN--- Double layer aluminum alloy wheel rim. Front high-strength carbon steel front fork shock absorption. Mechanical front and rear disc-brake design and 21-speed professional transmission system. Cost-effective configuration for off-road riding. 3 WORKING MODES --- Ebike & Assisted bicycle & Normal bike. With the LED 3-speed smart meter button, you can choose the electric assist power according to your needs. You can add a burst of speed with the throttle, which is ideal for pulling away from traffic lights. Combining three modes would be a better choice. ELECTRIC SYSTEM --- Equipped with the 36V 8AH lithium-Ion front battery and 250W stable motor, you can reach a range of up to 15-30 miles at toppest speed 15-17mph per charge. Plenty for a day’s adventure or most trips to travel and back. ADJUSTABLE HANDLEBAR --- Making the Stem Length/Handbar Angle small changes can bring about noticeable improvements in comfort depending on what you’re trying to achieve ! SERVICE AVAILABLE --- With one-year warranty for the electric motor, battery and other parts except for frame, no worry about using it. This bicycle arrives 85% assembled. It's not hard to finish aseembly by yourself. The assembly service on this page is provided and charged by Amazon’s third-party company, if you can't finish by yourself, click on the “Select Assembly ” button above; choose "Ship to store for assembly and pick up".