Presta 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.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: 700 x 35-43 ISO Width (mm): 35, 36, 37, 38, 39, 40, 41, 42, 43 Wall Thickess: 0.9 ISO Diameter: 622 / Road / 29" Shaft Type: Threaded Valve: Presta Med 41-55mm Valve Core: Removable Weight: 140 Tube Compound: Butyl.