CONTINENTAL Tour Hermetic Plus Dunlop 40 mm inner tube 700c

A Continental bicycle tube is predominantly made of Butyl rubber. Butyl is a very elastic and airtight synthetic rubber. This high elasticity Continental tubes allows a wide range of different tire sizes to be covered. Specifications: - Wheel size (inch): 28 - Valve type: Dunlop/Blitz valve - Valve length: 40 mm - Valve diameter: 7.7 mm - Maximum valve pressure 6 bar (Keep the maximum tire pressure in mind) This inner tube is suitable for tires with INCH size: - 26 x 1.40 - 26 x 1 5/8 x 1 3/8 - 26 x 1.50 - 26 x 1.60 - 26 x 1.625 - 26 x 1.75 - 26 x 1.80 - 26 x 1.85 - 26 x 1.90 - 26 x 1 1/2 x 1 3/8 - 26 x 1 3/8 x 1 ½ - 26 x 1 5/8 x 1 2/2 - 26 x 1 5/8 - 27.5 x 1.40 - 27.5 x 1.50 - 27.5 x 1.65 - 27.5 x 1.75 This inner tube is suitable for tires with the ETRTO size: - 37-559 - 40-559 - 42-559 - 44-559 - 47-559 - 37-584 - 40-584 - 44-584 - 47-584 - 40-590 - 42-590 This inner tube is suitable for tires with the French size: - 650B - 650 x 35B - 650 Standard - 650 x 38B - 650 x 42B - 650B ½ Ballon - 650 x 38A