Granite-Design Presta Valve Stem Extender GVCE40-01

- Allow you to extend the length of your Presta valve stems by 40mm, making it easier to reach and inflate your bike tires\n- Sold in pairs\n- Compatible with standard Presta valves\n- 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