Bicycle tyre size 20 x 215 inches size etrto 55 406 diameter inches 20 inch applications city cruiser street electric bike type clincher reflective puncture protection race guard karkasse liteskin weight 530 g series schwalbe big apple min reifendruck 2 bar max tire pressure 4 bar tpi 67 gummimischung endurance tyre profile hs430 max load 95 kg colour black puncture protection