From paved roads to dirt roads to no roads at all the new Borough is one tread capable of performing on multiple surfaces for maximum enjoyment. The Borough excels in urban/transportation & adventure riding/touring/trekking thanks to its smooth-running centre section & minimal hard-biting shoulder knobs.> Casing: 60 TPI> Bead: wire> Compound: 70a> Flat Protection: Armadillo> 700 x 45; psi 50-85; approximate weight 730g