Orbea Oiz derailleur mount bolt
this is one of the two small bolts that you need to fit your front derailleur mount (Orbea Part number 11200256 or 11200250) to your Orbea Oiz.
If you have lost both or are fitting a new front derailleur mount then you will need two of these :-)
Orbea call these FD MOUNT BOLTS M5x12 DIN7991
Orbea Part number 12309056