Vredestein Aventura 50-622 / 700x50C black outer tire. Gravel tire can be used tubeless with tire sealant. Tri Comp technology. Grip in all weather conditions with low rolling resistance. Tubeless ready all-round gravel tire. High-quality, tubeless ready gravel tire offers optimal puncture protection, grip in all weather conditions and low rolling resistance. Tubeless Ready, high-quality gravel tire with optimal puncture protection, grip in all weather conditions and low rolling resistance. Tubeless ready, for optimal puncture protection TriComp technology Exceptional grip on wet and dry roads