Formula oro Size (mm) of an 'O' ring calliper bleed screw?

Simon514
Simon514 Posts: 35
edited September 2011 in MTB workshop & tech
Hi all,

I've lost the rubber 'O' ring on my calliper bleed screw. Anyone know the size?

I contacted formula weeks ago, but they have not replied!

I found a company in the UK that makes different sizes of 'O' rings and all I need to do is specify the size!

Your help would be most grateful.