Specification: The tubeless valves can prevent unsafe factors effectively which caused by auto vacuum valves puncture rollover 90 degree bent design, easy to carry and use High-quality aluminum alloy shell, high strength, corrosion resistant High-density rubber seal ring, anti-aging, high or low temperature-resistant Direct bolt on, easy for DIY installation Material: Aluminum Alloy, Rubber Hole Diameter: 1.13cm/0.44" Inflating Thread Diameter:0.7cm/0.28" Mounting Thread Diameter: 1cm/0.39" Package Included: 2 x Motorcycle Tire Valve Stem Note: Due to different producing batches, product details might be a little different. If you minding the difference, please buy it carefully. Please allow 1-10mm deviation due to manual measurement. Due to light and screen difference, the item"s color may be slightly different from the pictures. When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don''''''''t hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it