16 inch Kid's Bike Child Ages 7-9 w/ Auxiliary Wheels (Copy)Feature: 1: Stylish and cute magnesium alloy frame: one piece, lighter, high density anti collision. 2: Adjustable seat and handlebar: Easily adjust the lift according to your needs. 3: Double front and rear brakes: front caliper brake and rear holding brake, the braking is stable, the force is even, and safer. 4: Widened competition tires: wear resistant particle rubber tires can easily cope with various road conditions. 5: Smooth bearing set: light