Ultra light inner casing and the optimized steep bias angle result in rolling resistance that is 20% lower than the basic tubeless tires IRC offersIntended for mostly dry pure race conditionsIAS - Features IRC`s IAS air retention system which helps keep air where it is suppose to be - in the tireLIGHT - Ultra light inner casing and the optimized steep bias angle result in rolling resistance that is 20% lower than the basic tubeless tires IRC offersTubeless700x25622TBLS - FoldBk/Bsk115260170LIGHT/IASNoUPC/EAN/GTIN: 4571244746734