Bronson race this widely spaced tread tyre takes charge in a broad range of conditions from dry hardpack to mud the bronsons ramped center knobs roll effortlessly while square edged side blocks dig in loose conditions an open tread pattern makes quick work of muck as low rotational weights keep you rolling faster conquer all seasons and conditions ride bronsons dna rubber compound wtb39s proprietary 60 durometer rubber compound offers the ideal mix of rolling efficiency and traction for