Crossroads Tire Size:26 x 1.9 with its hollow Cr-Mo rails

with its hollow Cr-Mo rails and Level 2 padding for extra comfort

so it's the perfect choice for riding on any road or bike path

AND EFFICIENT: Sirrus X provides the smoothest ride in its class

approximate weight 720g

as they both call for speed

Crossroads Tire Size:26 x 1.9 with its hollow Cr-Mo railsWhether it's on your mountain or around town bike, the Crossroads tire is ready for the rigors of everyday life. And with Flak Jacket flat protection, a rugged casing, and a 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: Flak Jacket 26 x 1. 9", psi 35 65, approximate weight 580g 650b x 1. 9", psi 35 65, approximate weight