About this item

21-SPEEDS----- You can choose to hang on different discs of the main and driven wheels to get 21 different speeds to facilitate your ride in different weather and on different roads. This bike is equipped with a highly sensitive dual braking system that always protects your riding safety EASY AND HEALTHY RIDING-----The handlebar of this bike has a raised design, which is comfortable to touch and non-slip;the pedals of this bike can bear a heavy load, mountain bicycle also improves the performance of the bike ADJUSTABLE HEIGHT------ The seat height of this bike are adjustable, you can adjust seat to the right height according to your height to make the ride more comfortable, the adjustable height increases the life of the bike and makes it suitable for almost all ages. HIGH QUALITY------ This bike is made of high quality carbon steel, which is durable and long-lasting. This bike has a classic streamlined structure with a sleek sporty look; this bike is ergonomically designed so you can ride mountain bike with less labor because you won't get tired easily