Colby Valve XL Emergency Valve Stem - installs from outside of the wheel<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Installs from the OUTSIDE of the wheel!</li><li>Fits large 5/8" (.625) wheel openings</li><li>Installs in about 1 minute</li><li>Installs with a 9/16" socket or wrench</li><li>Made in the USA</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51yVwy%2BS2JL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51eRkC9TvjL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31KSHl9lKdL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/4162Y3jzBfL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41KuFMesm%2BL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/318RwuxFJtL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31sg50R7zkL.jpg" noproxy>