Schwinn SmartStart steel kids frame with rigid fork, designed to give kids a better fit and more stable ride. Narrow kid-specific Q-factor fits the body width of the child for easier pedaling and handling. Rear coaster brake provides intuitive, reliable stopping power. Tool-free adjustable seat post provides room to grow. Includes removable training wheels and front basket to carry their favorite toys. Fits children 3 to 5 years old, or 38 to 48 inches tall. This bike requires assembly and includes a limited lifetime warranty for as long as you own the bike.