Mtb tyre sizes 26 x 2125 26 x 190 26 x 210 26 x 195 26 x 220 26 x 200 26 x 225 inches sizes etrto 54 559 50 559 57 559 diameter inches 26 inch applications all mountain enduro freeride trail types folding tyre clincher puncture protection dual compound series maxxis ardent max tire pressure 45 bar tpi 60 gummimischung maxxis dual colour black puncture protection