Bicycle tyre size 28 x 125 inches size etrto 32 622 diameter inches 28 inch applications touring city electric bike type clincher reflective puncture protection smart guard flat less weight 810 g series schwalbe marathon schwalbe unplattbar min reifendruck 45 bar max tire pressure 65 bar tpi 67 gummimischung endurance tyre profile hs440 max load 90 kg colour black puncture protection