A fast and lightweight gravity tire that was developed with Polygon-UR Team pros for DH and Enduro usage. Through the new RSR dual layer compound and low profile, siped tread design, the Helldiver shines with a perfect balance of traction and rolling resistance. Whenever you take your bike out on super dry, dusty, fast hardpack tracks, the Helldiver is your best choice. All the traction and grip you need for less rolling resistance and less weight. Innovative gravity casing - KVS and Iron Cloak help prevent cuts and punctures, and a 20mm apex reduces the chance of pinch flats or burping. RSR evolution - New RSR dual layer compound for better control and long tread life. Fast rolling - Low profile, siped knobs for a perfect balance between braking traction and rolling resistance. Tubeless ready - Saves weight and provides a better rolling performance. Riding tubeless also means riding flat free.