Flybikes Ruben Foldable Tire (Ruben Alcantara signature) diameter: 20 inch width: 2.25 inch max. tire pressure: 120 psi (8 bar) style: foldable color: black weight: 603 grams additional information: HPPR layer technology (High Presure and Puncture Resistant) pinch resistant layer high pressure casing 60TPI construction