The Apollo Chaos 20” Junior Mountain Bike is built for young adventurers who want to explore off-road trails. Perfect for 6-11 year olds. The Apollo Chaos kids bike features front suspension to absorb bumps and increase comfort on off-road trails, 6-speed gearing with Shimano Revoshift shifters for smooth uphill and downhill rides, and a strong steel frame. V-brakes provide safe stopping power. Buy your kids bike online today at Halfords, the UK's largest cycling retailer.