The Q Thorn Resistant 700c tube double the tube thickness in the tread area while keeping a normal thickness in the rim area.
4mm wall thickness in the tread area and 2mm in the rim area
ISO Diameter: 622, 630
ISO Width: 28-32 mm
Labeled Size: 700c x 28-32mm
Tube Compound: Butyl
Valve Core: Removable
Valve Shaft: Smooth
Published Weight: 400 g
CALIFORNIA PROPOSITION 65 WARNING: This product can expose you to chemicals including (Cadmium, Phthalates, Bisphenol, Nickel (Metallic), di(2-ethylhexyl)phthalate "DEHP"), which is known to the State of California to cause cancer and/or cause birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.
Had these on for four years no punctures until today.
Through tens of thousands of miles over four years, these gave me piece of mind. Finally today one popped a crack open, no idea if it was a old partial puncture or what it was. Four years is pretty darn good considering the thorns around here. Was a cheap investment that paid off in time and convenience of not doing any tire repair in that time. I just don't think a patch will hold on whatever they are made out of,, so it's better to replace.
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