It means the special treatment inside the tires, once filled with air, reacts chemicaly and actually modifies the molecular structure of the air to make it wickedly light, very high-tech...

Seriously now, it's just a marketing name from Hutchinson to identify a lighter casing and/or rubber counpound. Airlight models are a bit lighter than the regular models. Perhaps more fragile too.
Seriously now, it's just a marketing name from Hutchinson to identify a lighter casing and/or rubber counpound. Airlight models are a bit lighter than the regular models. Perhaps more fragile too.