About this item Steel mountain frame and front steel suspension fork are ready to take on the trail 24-inch wheels, this bike fits riders ages 8+, or 4”8’ to 5’6” tall 18-speed twist shifters and rear derailleur provide consistent shifting Front and rear v-brakes deliver controlled stops 3-piece mountain crank offers a wide gear range Alloy rims are durable and strong Wide mountain tires provide on-trail traction