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- Valve Type: Schrader - Valve Core: Removable - Butyl rubber - Wall Thickness: 0.9mm

- Smooth rolling center and micro tread shoulders - Directional water evacuating lines keep you upright - ISO: 507 - Bead: Wire - Weight: 771g

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

The Kross Plus Wire in K847 Tread is a great tire for any hybrid or mountain bike. - K847 Tread Pattern with SRC compound - Wire bead - Made from quality Kenda rubber

The K40 is a reliable tire for recreational use. Its grooved tread provides traction on pavement. Kenda K40 Street tires are designed for a variety of paved road conditions while providing comfort at a economical price - Fits EA3/E3/650A Rims typically on English 3 Speed bikes