It's back! This early 90's stalwart has been updated with new materials, a new tread pattern, and new technology. The new version of Specialized's Ground Control Sport Tire is a confident-cornering tread that excels in a variety of conditions. Specialized used finite element analysis to optimize the side knobs for grip, create a fast-rolling center section, and provide great braking control.
Specialized's Hardrock'R is a long-lasting tire with an aggressive, yet smooth-rolling tread with multi-directional knobs that are sure to improve traction and cornering over mixed terrain. And with the added benefit of its Flak Jacket flat protection, you'll be sure to hit it all with confidence and control. - Casing: 30 TPI - Bead: Wire - Compound: 70a - Flat Protection: Flak Jacket - 26 x 2.0"; psi 35-65; approximate weight 880g - 650b x 2.0"; psi 35-65; approximate weight 960g - 29 x 2.0"; psi 35-65; approximate weight 1000g
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