Schwalbe smart sam performance double defense tyreschwalbes smart sam performance double defense tyre is a fast rolling mtb tyre with spaced knobs on the edge for extra grip when cornering the reinforced sidewalls and snakeskin will help reduce cuts and punctures featurescasing double defenseskin snakeskinepi 67max load 121kgbead foldingcompound dualpsi 20 45 275 x 26 tyreweight 930g 275 x 26 tyretechnologiesdouble defense double protection all around snakeskin and race