●SIZE: 20X 2.125 Biycle Tire ●Material: High quality nylon and rubber compound that increases the wear resistance of the tire and extends the service life of the tire ●Unique pattern: The concave-convex pattern design of the tire provides great grip when climbing and turning, and greatly improves comfort and stability, making your riding safer ●Suits for: 20 inch bicycle,mountain bike bmx children bike ●Package including:1 pcs of 20 X 2.125 black tire .