Bicycle tyre size 20 x 215 inches size etrto 55 406 diameter inches 20 inch applications city cruiser type clincher reflective puncture protection schwalbe green guard weight 730 g series schwalbe big apple plus min reifendruck 2 bar max tire pressure 4 bar tpi 67 gummimischung endurance tyre profile hs430 max load 100 kg colour black puncture protection