Mtb bolt help

[SLIM]

Hi roadie gentlemen
Hopeing for a little help , recently bought a frame and one of the pivot bolts on the rear had been replaced with a campagnolo bolt , can only assume it is a chainring bolt . It has the same threading as a shimano chainring bolt , BUT it is about 3mm longer than the longest chainring bolt i have , which is 15mm .
Has "campagnolo" "patent" stamped on the end .
So do campag chainring bolts come in this length ?
Can i get replacement ones without campag print on them ?
Thanks from a roadie virgin

 

[kingbling]

Search for triple chainring bolt this will throw up what you need i.e

https://www.ebay.co.uk/itm/NOS-Campagno ... SwRH9ZdSNc

 

[SLIM]

Re:

Been looking at those but would they be the required extra length ?

 

[kingbling]

I can't be 100% certain but those are the only triple chain ring bolts campag do

 

[hamster]

Sounds like a derailleur pivot bolt?

 

[SLIM]

Re:

The pivot bolt seem to be a different profile , will try and ask seller of the length of the chainring bolts

 

[Midlife]

I'm really confused about what you have / want.......have you got a Campag seat pin bolt, there about 15mm and thread size about a chainring bolt size?

 

[SLIM]

Re:

It looks like a chainring bolt , but is about 4mm longer than any mtb chainring bolt you can get. Longest i can find is 16mm . The bolt has campangolo stamped into the end , so guess its a roadie bolt , hence me asking here to find out if roadie chainring bolts come in longer than 15mm.
Someone used it to replace the original bolt on a frame , which was obviously lost .

 

[mattr]

Might help if you could clarify what you mean by "pivot bolt".
Not many pivots on a road bike........

Picture of the location and bolt would work wonders.

 

[SLIM]

Re:

its on an mtb . pivot on the rear of an rts . been replaced with a campag road bike bolt . thats why im here