When your ride varies from skate parks to city streets, and usually ends with a session at the trails, the Rhythm Lite is the obvious tire of choice. A fast-rolling center section keeps things moving, while slightly larger and deeper shoulder knobs provide enhanced traction in the dirt.Casing: 30 TPI,Bead: Wire,Compound: 70a for 12", 16", 18," and 20 x 2.0",Compound: 60a for 24",Flat Protection: Flak Jacket for 12", 16", 18", and 20 x 2.0",12 x 2.3"; psi 35-65; approximate weight 330g,16 x 2.3"; psi 35-65; approximate weight 520g.