The Dynacraft Boys' Gauntlet Bike is a good choice for ages 13 and up. It has a sturdy dual-suspension steel frame that provides durability throughout the entire ride. A bold red paint scheme/paint effect and dual-suspension frame-and-fork combination make this mountain bike stand out. This 24" bike doesn't just look good; it performs well too. It is loaded with high-value features, including 18-speeds, a Shimano rear derailleur, Shimano handlebar grip shifters, front/rear alloy linear pull brakes and deluxe grips. The Dynacraft Boys' Gauntlet Bike is ready to ride. Your son or grandson can enjoy plenty of fun, adventure and exercise with this item.