Bolt for my front derailleur. Yes, really. Lost mine...

[trail-blazer]

...Idiot. :facepalm:

Something like this...

20190221_201318 by Michael Clark, on Flickr

Thread is probably m5 IIRC.

 

[cat1]

Re:

I agree

 

[chickendrumsticks]

Before rummaging it would be helpful to know what mech it is...?