Schwalbe silento touring tyremuch more than just a basic quality the foundation of all active line tires is a high quality 50 epi carcass coarsely woven 20 or 24 epi carcasses can no longer be found in schwalbes range the much more densely woven 50 epi carcass is far more puncture resistant and robust at the same time the fabric needs less rubber coating and thus has a reduced weight naturally every active line tire has a puncture protection belt a balanced rubber compound plus a function