Dear Sir/Madam, Type:Kids' Bike Wheel Size:12''-20'' Frame Material:Steel Fork Material:Steel Rim Material:Aluminum Alloy Color:Red Pink Blue purple Brake:R Caliper Brake Frame:Steel Frame Tire:2.125 Saddle:Common Leather Rim:Steel CP Material:High Steel Size:12 -20 Style:Ride Road Bicycles Product name:child bike from Xingtai Manufacturer Show More