Bicycle tyre size 26 x 200 inches size etrto 50 559 diameter inches 26 inch applications touring city type clincher reflective puncture protection race guard weight 710 g series schwalbe big ben min reifendruck 25 bar max tire pressure 5 bar tpi 50 gummimischung sbcaddix speedgrip tyre profile hs439 max load 115 kg puncture protection