Q-Tubes 20" x 2.1-2.3" Schrader Valve Tube 152g *Low Lead Valve*

The Q-Tubes Standard Line Schrader 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 Schrader valve core Q-Tubes Standard Line packaging features environmentally friendly soy ink printing on recycled cardboard ISO Diameter: 406 / 20" BMX ISO Width (mm): 54 mm , 55 mm , 56 mm , 57 mm Labeled Size: 20 x 2.1-2.3 Shaft Type: Smooth Tube Compound: Butyl Valve: Standard Schrader Valve Core: Removable Wall Thickess: .9 mm Weight: 152 g