Bicycle tyre size 28 x 175 inches size etrto 47 622 diameter inches 28 inch applications touring terrain type clincher karkasse schwalbe twinskin weight 820 g series schwalbe land cruiser min reifendruck 3 bar max tire pressure 5 bar tpi 50 gummimischung sbcaddix speedgrip tyre profile hs450 max load 110 kg colour black puncture protection