Bicycle tyre size etrto 40 584 diameter inches 27 5 inch applications touring city electric bike type clincher reflective puncture protection smart guard flat less weight 920 g series schwalbe marathon schwalbe unplattbar min reifendruck 35 bar max tire pressure 6 bar tpi 67 gummimischung endurance tyre profile hs440 max load 100 kg colour black puncture protection