Mtb tyre size 275 x 210 inches size etrto 54 584 diameter inches 27 inch application cross country type folding tyre karkasse snakeskin weight 550 g series schwalbe racing ralph min reifendruck 2 bar max tire pressure 4 bar tpi 67 gummimischung schwalbe pacestar tyre profile hs425 max load 100 kg colour black