For ultimate XC speed on hardpack Air Trak delivers. Its fast-rolling tread cluster and high-speed center T5 compound ensure unmatched straight-line velocity while grippier T7 compound on the sides delivers traction to maintain cornering speed. When sheer speed matters Air Trak is the perfect choice. The Fastest The fastest-rolling tread plus T5/T7 dual compound plus Flex Lite casing combine for unmatched XC speed. The Fastest Way to the Podium Our World Cup riders demanded the fastest hardpack XC tire and we delivered with Air Trak. Its tightly packed center tread features our ultra-fast GRIPTON T5 compound making it the quickest rolling XC tire we’ve ever tested. The Block-in-Block shoulder knobs crafted with grippy T7 compound provide traction for faster cornering. 60g Lighter Optimized tread and Flex Lite casing deliver extreme lightness at just 575g. Mass Is the Enemy of Performance To achieve a sub-600g weight we lowered the center knobs and optimized the outer Block-In-Block design shedding 60g from its predecessor while boosting traction. Paired with our lightweight Flex Lite casing Air Trak delivers the perfect balance of reduced weight and reliable protection unlocking riders to fly uphill and accelerate like never before. Flat Resistant Light doesn’t mean fragile with durable and cut-resistant casing. Goodbye Flats Hello to Victory Air Trak is available in two casing options: Flex Lite and Grid Lite. Our Flex Lite casing delivers the ultimate lightweight performance for XC riders with 18% increased puncture cut and pinch flat resistance. For those seeking added durability our Grid Lite casing provides the same supple ride feel with enhanced protection against pinch flats and sidewall cuts. Whether you prioritize weight savings or rugged reliability both options ensure top performance and confidence on the trail. Grid Lite Casing Our fastest most robust XC casing with added puncture protection and stability. Faster More Durable More Supple. Pick Three. Our most versatile XC casing adds a light-yet-tough Grid sidewall protective belt to boost cut-resistance and add stability. For racing and riding on aggressive courses with root and rock gardens Grid Lite delivers the durability and stability you’ll need for the best rides. Use - XC racing. Terrain - Mountain - Hardpack. Casing - 60TPI Grid Lite with sidewall protection. Compounds - GRIPTON T5/T7. Type - Tubeless. Wheel Pairing Recommendation - Roval Control World Cup and Roval Control SL. Approximate Weight 29x2.35 680g