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Bontrager's XR4 and SE4 Team Issue tires will both soon be available in larger 2.4 and 2.55-inch sizes. They made a few durometer changes as well, moving to a faster rolling 61a center tread and softer 50a shoulder for improved cornering traction. Woven nylon inserts in the sidewalls make for better protection and support.
Credit
Brandon Turman
