The Specialized Rhythm Lite Tyres are ideal in a variety of conditions. A multifaceted tyre improving comfort, handling and traction. When your ride varies from skate parks to city streets, and usually ends with a session at the trails, the Specialized Rhythm Lite Tyre is the obvious tyre of choice. A fast-rolling centre section keeps things moving, while slightly larger and deeper shoulder knobs provide enhanced traction in the dirt. Specialized Rhythm Lite Tyres Features Casing: 30 TPI Bead: Wire Compound: 70a for 12, 16, 18, and 20 Compound: 60a for 24 Flat Protection: Flak Jacket for 12, 16, 18, and 20 12 x 2.0, psi 35-65, approximate weight 260g 12 x 2.3, psi 35-65, approximate weight 330g 16 x 2.0, psi 35-65, approximate weight 360g 16 x 2.3, psi 35-65, approximate weight 520g 18 x 2.0, psi 35-65, approximate weight 460g 20 x 2.0, psi 35-65, approximate weight 525g 20 x 2.3, psi 35-65, approximate weight 690g 24 x 2.2, psi 35-65, approximate weight 625g