The QBP 12-1/2" x 2-1/4" Schrader Valve Tube features QBP's widest variety of tube sizes and valve lengths with a proven record of high quality control and consistent availability.Labeled Size: 12 x 2-1/4Weight: 80 gShaft Type: SmoothISO Width (mm): 47 mm , 48 mm , 49 mm , 50 mm , 51 mm , 52 mm , 53 mm , 54 mm , 55 mm , 56 mm , 57 mm , 58 mm , 59 mm , 60 mm , 61 mm , 62 mmISO Diameter: 203 / 12.5"Valve: Standard SchraderWall Thickess: .9 mm
