Bicycle tyre size 28 x 175 inches size etrto 47 622 diameter inches 28 inch applications touring city terrain electric bike type clincher reflective puncture protection smart guard flat less weight 1 050 g series schwalbe marathon schwalbe unplattbar min reifendruck 3 bar max tire pressure 5 bar gummimischung endurance tyre profile hs404 max load 125 kg colour black puncture protection