Tire Bicycle GIB, BMX 20X1.90 inch Puncture Resistant, Puncture Guard, thorn resistant, Comfortable ride by Biria 20-InchX1.9-Inch GIB BMX 20X1.90 inch Puncture Resistance, Puncture Guard, Tire Punctre Resistance, Puncture Guard Layer, Long life, Comfortable ride , Easy Mounting 20-Inch X 1.90-Inch Low Rolling Resistance