The closed chain cover design provides safety protection for the baby the anti-slip effect is more remarkable and the riding is safer. The front and rear double brakes the front wheel clamp brakes the rear wheel brakes the adult brake system the braking effect is good. Manufacturered by Axdwfd. 12"14"16"18"20"5 size pink purple bicycle seat height adjustable with flash mute auxiliary wheel PU material does not hurt the floor wear-resistant bright no battery long service life. Easy to piece together! 95% of the bikes have been assembled and the handles seat cushions auxiliary tires and pedals can be installed in just 4 steps. High carbon steel frame high carbon steel frame thickened pipe wall stronger bearing capacity stable body and material safe and strong high strength bearing.