With a dual suspension steel frame and fork, the Hyper System 20 Boys' Bike will allow your child a comfortable ride, even on off-road surfaces. It is Shimano equipped and has a three-piece high-performance crank. This 20 7-speed bike features easy-to-use, twist-grip shifting and powerful linear-pull front and rear brakes, which make it ready to take on any adventure. It also includes authentic hyper graphics, knobby wheels and a padded motocross-style seat. An alloy quick-release seat clamp allows for easy adjustment of the seat height. This lightweight, 20 7-speed bike has a maximum weight capacity of 220 lbs. This boys' bike is recommended for children from 8 to 12 years old. Please note: If you select Site to Store delivery, your bike(s) will not be assembled upon pickup.