A Impac bicycle tube is predominantly made of Butyl rubber
Butyl is a very elastic and airtight synthetic rubber.
This high elasticity Impac tubes allows a wide range of different tire sizes to be covered.
Specifications:
Brand: Impac
Wheel size (inch): 26 / 27.5
Valve type: Schrader valve (car)
Valve length: 40 mm
Valve diameter: 10.8 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 5/8 x 1 1/2
26 x 1 5/8 x 1 2/2
26 x 1 ½ x 2
27.5 x 1.50
27.5 x 1.65
27.5 x 1.75
27.5 x 2.00
27.5 x 2.10
27.5 x 2.25
27.5 x 2.35
This inner tube is suitable for tires with the ETRTO size:
40-584
44-584
47-584
50-584
54-584
57-584
60-584
This inner tube is suitable for tires with the French size:
650B
650 x 38B
650 x 42B
650B Semi-Confort
650B ½ Ballon
