With 3C Triple Compound Technology, high-volume casing and a fast rolling tread design, the Ikon provides exemplary performance in all riding conditions. With 3C Triple Compound Technology, high-volume casing and a fast rolling tread design, the Ikon provides exemplary performance in all riding conditions. EXO equipped models feature Maxxis` EXO sidewall protection which help prevent puncture from sidewall abrasions TR - Tubeless Ready - sealant required SPEED - Triple compound composition where the two compounds in the outer layer are specially formulated to reduce rolling resistance and optimize tread wear and traction