The TIOGA FASTR-X is their most versatile race tire to date. Increased strategic placement of Grip-Pods matched to multi-facet Nano Knobs on shoulder and sides, capped off with friction enhancing chemical etching over the central tread, FASTR-X strikes the rarefied balance of speed and control like none before. Get your elbows down in the tar-sealed berms with this tyre from Tioga. S-Spec tyres utilize Tioga's ultra-lightweight CYLEX 120 TPI casing. Feather light and super supple, S-Spec tyres conform better to track surfaces for buttery smooth runs. Lightweight folding bead only