High-quality and durable, the Q-Tubes 27.5 2.0-2.25 32mm Presta Valve Tube is the right way to go. .9mm wall thicknessTube Compound: Butyl Weight: 210 gValve Core: RemovableShaft Type: ThreadedISO Diameter: 584/650b/27.5" Q-Tubes Standard Line packaging features environmentally friendly soy ink printing on recycled cardboard