The Cannondale Boy's Kids Trail Single-Speed 16 Sidewalk Bike has one-speed simplicity and an easy-to-use kick-back style coaster brake. This bike frame is made from light and durable SmartForm C2 alloy and has a rigid steel 1" steerer. It also has tool-less training wheels and a tool-less chain guard for when they are confident enough to ride without them. This bike is perfect for cruising around the neighborhood with the rest of the family or ripping up and down the gravel drive. It's handling and comfort are great for building skills and having fun. The Cannondale Boy's Kids Trail Single-Speed 16 Sidewalk Bike is the perfect way to start 'em off right.