RACE PRO construction: Three carcass layers on the sidewall for excellent puncture and cut protection. The improved and wider V-Guard puncture protection belt offers even more protection under the tread. Lower rolling resistance while maintaining the same weight. Optimized ADDIX Race rubber compound: Precise grip in wet conditions and race performance. Manufactured with Fair Rubber and recycled carbon black from our own tire recycling - saving 80% CO₂eq compared to the previously used industrial carbon black.