I would buy another tire, but that is just me. I am going to start buying the $9.99 Nashbar tires, because I tried a 14.99 tire and it lasted as many miles as the last $30.00 tire, so I will just run the cheaper tires, as I can't feel the difference, and I am not a racer.
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2007 Jamis Ventura Comp
2006 Jamis Explorer 2.0
2000 Specialized Hardrock (bought used)
Swim, Bike, Run and sounds like fun