HIGH-QUALITY 20" X 1.75" - 2.125" KIDS BIKE REPLACEMENT INNER TUBES - Thick, heavy-duty, and dependable, these inner tires are perfect for numerous applications including inner tubes for kids' and adult bikes. With an expandable width that can accommodate 1.75-inch, 1.90-inch, 1.95-inch, 2-inch, and...

HIGH-QUALITY 20" X 2.125" KIDS BIKE REPLACEMENT WHITE TIRES AND INNER TUBES - Thick, heavy-duty, and dependable, this set of 2 tires and 2 tubes is perfect for school-age kids bikes, especially for girls’ bikes. With an expandable width that can accommodate 1.95-inch, 2-inch, and 2.125-inch tires,...