Used on very fast and dry trails. Low rolling resistance and minimal weight. Primarily for the use on the rear wheel. Tread design: Fast, flat studs in the tread center good cornering grip with sturdy lugs on the tire shoulders. Super Gravity version: ADDIX Soft (orange). Punctureproof (with Apex) with extreme lateral stability for a dynamic ride. Tubeless Easy version: ADDIX Speedgrip (blue). In 27.5+ also with Apex.