26 Inch High Performance Carbon Steel Mountain Bike 21 Speed Bike Full Suspension Mountain Bike Bicycle Bicycle Mountain Bike 26This is an ideal and economical high-carbon steel mountain bike. You can use it for the last mile of your commute or leisure activities. This mountain bike can provide you with a high-quality riding experience, while also bringing more convenience. It has a 26-inch high-strength steel frame. The variable speed function brings a different experience to your riding. You can choose the corresponding gear speed to fully adapt to the terrain. You need to follow the steps in our product manual to avoid assembly troubles.