I've been running Specialized Captains for a few years now in both the 26" and 29" versions. A few years back I tried the fast trac s-works which lasted all but 30 days before the side wall tore out. I happen to be looking at a set for my Niner and noticed the newer design seems to have a much thicker side wall than the older version. dealer stated they had not had any issues with the new design. Is that the case or am I mistaken??
Mtbr's 2016 Winter Biking GearReviews and Roundups
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Thread: Specialized Fast Trac S-Works 29