HTS code 9902.17.07 covers "Bicycles each with no seat, no seat tube and no seat stay, designed to be pedaled by a user in a standing position only, such bicycles having both wheels not exceeding 63.5 cm in diameter (provided for in subheading 8712.00.15)." under the US Harmonized Tariff Schedule. This is the official duty rate charged by US Customs when this product is imported into the United States, sourced directly from the U.S. International Trade Commission and refreshed daily.