Q Tubes 700c x 18 23mm 48mm Presta Valve Tube

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 0.9mm 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 ISO Diameter: 622 Road 29 ISO Width mm: 18 mm , 19 mm , 20 mm , 21 mm , 22 mm , 23 mm Labeled Size: 700 x 18 23 Shaft Type: Threaded Tube Compound: Butyl Valve: Presta Med 41 55mm Valve Core: Removable Wall Thickess: .9 mm Weight: 101 g