Specifications Material: Carbon Steel, Steel, Rubber, Sponge, PC, Plastic, PU Color: Blue, Black Style: Modern and Simple Surface Treatment: Plastic Spraying; Carbon Dioxide Protection Welds; Injection Molding Braking: Caliper Braking(Front), Holding Braking(Rear) Assembly Required: Yes Applicable Height: 80-95cm/2.62-3.11ft Applicable Weight: Within 50kg/110lbs Bicycle Max Bearing Capacity: 80kg/176lbs Suitable Ages: 2-4 Years Old Bicycle Basket Max Bearing Capacity: Within 2.5kg/5.51lbs Bicycle Basket Size: 24.5*17.5*17cm/9.64*6.88*6.69inch Distance Between Brake Lever and Rubber Handle: 23.86mm/0.93inch Two Training Wheel Distance: 38cm/14.96inch Wheel Diameter: 28cm/12inch Seat Adjustment Height: 47.5-56cm/18.7-22.04inch Armrest Adjustment Height: 52.5-61.5c.