Tioga Comp III Tire with Wire Side Wall, Black, 20x1-3/8-Inch 20 x 1-3/8 Wire Bead Black Side Wall *Note: This is NOT the same diameter as a decimal size, such as 20 x 1.75* ISO Diameter = 451mm <a href="https://www.amazon.com/b?node=14770868011"> International products </a> have <a href="https://www.amazon.com/gp/help/customer/display.html/ref=nav_cs_help?ie=UTF8&nodeId=202045290"> separate terms, </a> are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions. Manufacturer warranty may not apply <a href="https://www.amazon.com/b?node=14770868011">Learn more</a> about Amazon Global Store.