Product Specifications: Material: Polyurethane polymer Package Weight: Approx. 2.5 - 4.5 oz (72 - 116 g), Type Options: 700C, 26 inches, 27.5 inches, 29 inches (0.5 x 25 mm), 0.019 inches x 0.98 inches, Road Bikes 700c0.5 x 40 mm / 0.0.019 mm / 019 inches (40.019 mm / 0.019 inches (4019 x 19 inches (40.5 x 19 mm). Tire Width: 0.04 inch (1.05 - 0.019 x 1.57 inches (0.5 x 40 mm), 27.5 inches (40 mm), Tire Width 1.5 - 2.1 inches (0.5 x 40 mm), Tire Width 1.5 inches (1.5 x 2.1 mm).