Mavic yksion elite guard road tyrethe yksion elite guard is the perfect blend of superior grip and high cut and puncture protection its tread pattern improves water evacuation to perfectly complement its sticky compound its casing is reinforced from bead to bead by a strong nylon protection the perfect training tyre features guard the tyre casing is reinforced with an extra layer that helps reduce flats water evacuation optimized tread pattern super sticky compound bead to bead nylon break