A IRC bicycle tube is predominantly made of Butyl rubber.
Butyl is a very elastic and airtight synthetic rubber.
This high elasticity IRC tubes allows a wide range of different tire sizes to be covered.
Wheel size (inch): 28
Valve type: Presta valve (Sclaverand)
Valve length: 30 mm
Valve diameter: 5,9 mm
Maximum valve pressure 15 bar (Keep the maximum tire pressure in mind)
This inner tube is suitable for tires with INCH size:
28 x 1.00
28 x 1.10
28 x 1 1/16
28 x 1 5/8 x 1 1/8
This inner tube is suitable for tires with the ETRTO size:
This inner tube is suitable for tires with the French size:
700 x 25C
700 x 26C
700 x 28C