Bike winter tyre mtb tyre size 26 x 210 inches size etrto 54 559 diameter inches 26 inch application touring type folding tyre karkasse liteskin weight 695 g series schwalbe ice spiker min reifendruck 25 bar max tire pressure 5 bar tpi 67 gummimischung winter tyre profile hs379 max load 100 kg colour black