About this item High Precision: The transmission ensures stable rotation of the bike and the chain does not come off easily. Shifting is faster and more precise. Both the front and rear wheels of the bike have fenders near the seat, so you can enjoy riding even in wet weather. Safe and Reliable: This youth mountain bike is equipped with a highly sensitive dual front and rear braking system. Its braking action is extremely reliable and safe. There is a drivetrain on the top of the bike. It helps you to adjust the gears for different road conditions and save energy. Aerodynamic Triangular Structure: The road bike features a classic aerodynamic triangular structure, which gives it an elegant and sporty appearance. What’s more, the triangle is designed to be stable, solid and impact resistant. High Quality Frame: The frame of this adult bike is made of high quality carbon steel, which is very strong and durable, giving it greater load capacity and stability. The wheels are made of rubber, so they are non-slip and wear-resistant. They are not easily damaged. High Load Capacity: The maximum load capacity of this mountain bike is 85kg. Suitable for most people. The leather surface and foam padded cushioning can be used evenly while riding and will not hurt your butt on long trips. Suitable for riding on roads, mountains and various other conditions.