Feature: 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 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" Color: show as pictures Package Included: 2 x Motorcycle Tire Valve Stem Note. Due to the hand measurement, there have size error about 1-2 cm. Item color displayed in photos may be showing slightly different 1 inch = 2.54 cm