Specialized Mountain Mullet Tube

One tube to rule them all! Are you riding a mixed wheel size mullet bike? Can’t decide to bring a 27.5†or 29†spare? Or do you just want to be a trail hero saving others with your versatile tube that fits both 27.5†and 29� The new MTN MULLET tube takes the guess work out of which size tube you should pack. At the drop of a hat, this tube is ready to take care of business up front or ride the party in the back.