Made of industrial carbon steel. Sturdy structure, high stability. It has a fine electroplating spray paint, add a rich color for the bike. The 26 inch frame size is not only suitable for men and women, but also more flexible and lightweight for riding. Equipped with a 21 speed gear, it can better adapt to different terrain, so you feel more confident and funny in riding. The transmission is stable, fast and responsive. Let the ride feel more stable and smooth. Front fork suspension system on the frame. Can effectively solve the problems caused by road problems to reduce the impact of so that you can be more confident and steady on the road. Equipped with effective mechanical disc brakes and non-slip tires for riding to ensure adequate safety, even in wet conditions can provide reliable braking.