Pivot Works PWRWC-T03-500 Rear Wheel Waterproof Collar Kit<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Patent pending O-ring design keeps water out of hub</li><li>Collars manufactured in USA</li><li>Kit include bearings， seals， and collars for one wheel; includes extra set of O-rings</li><li>Collars are military spec hard anodized</li><li>Lifetime replacement</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41DqBs6JziL.jpg" noproxy>