Overbury's E Stay tubing identification help needed!

[Darcus]

Me again, link below!
No idea what the tubing for this is, the dropouts do have Reynolds stamped on them, but that's all I know, I'm guessing Columbus OR / MAX or something similar?
CHURZ

https://imgur.com/a/A8ZqmWx

 

[jimo746]

Didn't you already ask the same question here...??

As previously, may be Columbus, (OR)?, as someone else stated

 

[retrobikeguy]

https://www.retrobike.co.uk/threads/whats-my-overburys-pioneer-e-stay-made-from.438813/

 

[Darcus]

Didn't you already ask the same question here...??

As previously, may be Columbus, (OR)?, as someone else stated

Yes just seeking a more solid opinion

 

[Peachy!]

Yes just seeking a more solid opinion

I’m not sure you’re going to get a much more solid an opinion than that of THM, Lee & Jim?

 

[legrandefromage]

it is most likely Columbus OR, sturdy cro-mo.

Columbus Max uses lugs and is very different in appearance to your frames tubing

 

[legrandefromage]

and a fillet brazed MAX tubed frame - note the shape of the tubing changes and is very ovalised

 

[retrobikeguy]

Thing is it’s a custom built frame, unless you have it with original paint and decals or some historical photos showing the tubing decal then you will struggle to tell much difference from one steel pipe to another sadly.
Overburys, like other frame builders will also have used what they had at the time, was available to them or what was specced by the customer but the majority of tubing used by them was Columbus cromor which seemed to be their preferred choice with the exception of one or two frames with Reynolds 531, what we are saying is just because the dropouts say Reynolds doesn’t mean the tubing is..... Hell, it might be tange

 

[Darcus]

Thing is it’s a custom built frame, unless you have it with original paint and decals or some historical photos showing the tubing decal then you will struggle to tell much difference from one steel pipe to another sadly.
Overburys, like other frame builders will also have used what they had at the time, was available to them or what was specced by the customer but the majority of tubing used by them was Columbus cromor which seemed to be their preferred choice with the exception of one or two frames with Reynolds 531, what we are saying is just because the dropouts say Reynolds doesn’t mean the tubing is..... Hell, it might be tange

View attachment 591837....

Wow look at that .....'DELTA' this is certainly the most conclusive bit of feedback so far. Reverse chain set too??? Thanks

 

[Darcus]

Great info here CHURZ!