The Q-Tubes Standard Line Presta Valve tubes feature QBP's widest variety of tube sizes and valve lengths with a proven record of high quality control and consistent availability. * .9mm wall thickness * Removable Presta valve core * Q-Tubes Standard Line packaging features environmentally friendly soy ink printing on recycled cardboard * Master Cartons of Q-Tubes Standard Line tubes contain a total of fifty tubes: Five inner cartons of ten individually boxed tubes * Labeled Size: 27.5 x 52/58 * Weight: 225 g * ISO Width (mm): 52 mm , 53 mm , 54 mm , 55 mm , 56 mm , 57 mm , 58 mm * ISO Diameter: 584 / 650b / 27.5" * Valve: Presta Med 41-55mm * Wall Thickess: .9 mm
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