Maxxis Ikon Maxxis' most versatile XC tread. The Ikon is for true racers looking for a true lightweight race tire. With 3C Triple Compound Technology, high-volume casing and a fast rolling tread design, the Ikon provides exemplary performance in all riding conditions. As its name suggests, the Ikon represents all that is true in racing. EXO An extremely cut-resistant and abrasion-resistant material added to the sidewalls of select mountain tires. This densely woven fabric is also lightweight and highly flexible, ensuring that the performance of the tire remains unaffected.