26-Inch

With the Crossroads Armadillo tire, Specialized redesigned their popular Crossroads tread, making it the best, most robust multi-terrain tire out there. Whether on your mountain bike or town bike, this tire is ready for the rigors of everyday street life. And with maximum flat protection from our Armadillo technology, plus a rugged casing and smooth-rolling tread, you'll get around town easily without worrying about flats or traction on parkways and cobbles. - Casing: 60 TPI - Bead: Wire - Compound: 60a - Flat Protection: Armadillo - 26 x 1.9", PSI 35-65, approximate weight 680g

The Ground Control Sport is an exceptionally versatile trail tire that uses a tread optimized using Finite Element Analysis. This means that it rolls fast and provides increased grip and traction in nearly all conditions. - Casing: 60 TPI - Bead: Wire - Compound: 60a - 26 x 2.1", psi 25-50 - 26 x 2.3", psi 25-50