The Q-Tubes 26" x 1-1.25" Schrader Valve Tube features a removeable Schrader valve core and has a .9mm wall thickness. Q-Tubes Superlight packaging features environmentally friendly soy ink printing on recycled cardboardWeight: 102 g Removable Schrader valve coreISO Diameter: 622 / Road / 29"Shaft Type: Smooth .9 mm wall thickness
