Elite level racing tire with smooth center tread and siped and micro-knurled shoulders for improved corner traction Elite level racing tire with smooth center tread and siped and micro-knurled shoulders for improved corner traction Full silica HYPR compound is Maxxis` top performing race compound in regards to traction, rolling resistance and durability K2 - Maxxis exclusive fabric that offers greater puncture protection than standard Kevlar without effecting ride quality TR - Tubeless compatible tire with a carbon bead