The Radio Flyer kids" 12" cruiser trike has detachable training wheels and a cushioned seat that can be modified as your child grows. This bike has a user-friendly coaster brake. A real ringing bell is also provided for more fun. This Radio Flyer Classic Cruiser bike has air-filled tires and steel spokes for durability. Its frame, rim and chain are made of sturdy steel. This kids" trike bike has rubberized pedals that offer great grip. It has a rear fender and front fender that keep the dirt off your child"s clothes. This bike requires assembly.