This professional-grade kids bike grows with your child, featuring industry-leading adjustability (handlebars: 30""-32.5"", seat: 24""-28""). Engineered for safety with dual-brake system (short-reach hand brake + coaster brake) and fully enclosed chain guard . The multi-layer pneumatic tires and removable training wheels ensure superior stability, while our 95% pre-assembled design (vs competitors' 85%) enables faster setup. Cpsia certified with reflectors and kickstand for complete security.