The mountain bike features is carbon steel frame and suspension fork. 6-speeds make it easy to adapt to any terrain with quick, precise gear changes, while the front and rear mechanical disc brakes deliver all-condition stopping power.2.4 inch wide mountain tires make it easy to roll over just about anything. Mountain bike great for rugged trails and casual rides.  20-24 inch wheels fit riders 46 to 70 inches tall.  Unisex. Frame and Fork:Suspension fork absorbs bumps on the trail for a more comfortable ride. Speeds: 6 speed shifter makes it easy adapt to your terrain. Tires: Front and rear mechanical disc brakes deliver all-weather stopping power. Rims: Alloy double wall rims provide lightweight durability. Tires: 2.4-inch wide mountain tires offer extra grip and stability. Seat: Tool-free adjustable seat post makes it easy to fine tune the fit. Brand: Mgaxyff Bicycle Type: Mountain Bikes Age Group: Adult, Child, Teen, Tween, Toddler Assembled Product Dimensions (L x W x H): 53.10 x 20.00 x 28.30 Inches