Granite Presta Valve Stem Extenders 40mm

Granite valve stem extenders allow you to extend the length of your Presta valve stems by 40mm, making it easier to reach and inflate your bike tires. Sold in pairs, the extenders are compatible with standard Presta valves. Whether you have deep-section wheels or just want a little extra reach, this valve stem extender is an easy and convenient way to ensure proper tire inflation.