This 16-in kids bike suits riders 41.3 in to 51.2 in tall which typically means ages 4 to 7 and the seat carries up to 145 lb Detachable training wheels bolt to the rear axle for the learning weeks then come off with a wrench. Front and rear reflectors keep a young rider visible under porch lights and passing headlights while anti-slip pedals and crack-resistant tires hold traction on damp concrete. Both a hand brake and a coaster brake are fitted. The handlebar and saddle adjust as legs lengthen and a bell and kickstand come standard.