Yventix Kids Bike is a BMX style bicycle designed for boys and girls ages 4-12, offering 16 inch and 20 inch size options for growing riders. The 16 inch model fits ages 4-6 and 43-49 inch height with detachable training wheels, while the 20 inch model fits ages 6-12 and 46-56 inch height with a kickstand. A high carbon steel frame supports everyday riding, while the adjustable seat, handbrake and foot brake, full chain guard, front and rear fenders, bell, reflectors, and anti-slip pedals add practical function for sidewalk, park, and neighborhood rides. Arrives 85% pre-assembled with instructions and online video guidance.