The Cross BossÆ even center tread shelf provides smooth and fast acceleration while more open side knobs help clear muck. Light: Lighter weight compound conforms to trail objects while still providing a happy balance between low rotational weight and reliability. FR: Fast Rolling, with WTB's Dual DNA rubber compound that optimizes efficiency, traction and durability, A firm, long-wearing centerline tread with softer side knobs. 2015 CycloCross Magazine's Editor's Choice - Best Clincher.

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