- Motorcycle Inner Tube 2.25/2.50-16 TR4 Valve Stem* <br> - TR4 Valve Stem: Straight Stem, Round Shape to fit on rims with a round valve base <br> - Fits on these Tube Type Tires: 2.25/2.50-16, 70/90-16, 80/80-16, 80/90-16, 90/80-16 <br> - Rim diameter: 16" <br> - Valve Type: TR4 (Straight Valve, Round Shape) <br> - Made of Thick Rubber Blend <br> - Heavy duty durable valve stem. <br> - Seamless construction <br> - Unbeatable performance and value. <p>This item is a universal/custom fit component, and does not have any direct standard/OEM model application. <br> Refer to your vehicle's owner's manual for inner tube sizing for your tires <br> Sizing information is provided by the manufacturer and does not guarantee a perfect fit <br> Please use this information as a guide only</p> <p></p>