Aluminium age hardening is quite a complex concept. Most modern aluminium alloys are pre aged hardened now to prevent that change of the material properties during service.
In simple terms chances are with a new frame like that changing the paint have very little impact on the "strength" of the frame.

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"God invented hell because he hadn't heard of cycling yet."

Plenty of alu frames get re-sprayed and the changes in the alloy (if any) is probably inconsequential unless the rider is a 200lb gorilla (a long way to go for Orphic). So I think the key technical question really is, will the repaint job be as good as the factory paint job? Will the pulling apart of all the components for the repaint will degrade the frame following reassembly. As we know, reassembled machines often tend not to fit as tightly and nicely as when it was first put together in the factory.

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Why is the wind always against me?

As far as I'm aware aluminium frames are not heat treated after they are welded due to the fact they would have to be heat treated ina jig to stop them going out of shape. Aluminium frames cannot be cold set.

As for dismantling the frame and putting it back together, its just the swing arm bearings as its not a complete bike. I've seen plenty of stuff come out of factories not put togther all that well. So there is almost no chance that it will be put togther any worse then when it left the factory.

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"It doesn't get any easier, you just get faster" Greg Lemond

If you take the time to assemble a bike properly it will almost always be better than a factory built bike. Taking the time to do things like tapping and facing all threads, all those small things which would never normally be done in a factory can produce a perfect bike build.

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"God invented hell because he hadn't heard of cycling yet."

Which category of factory would you classify Yeti's production line?

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Why is the wind always against me?

What's a "200lb"?

We don't live in the dark ages anymore Weiyun.

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Everyone wants to climb on a 900 gram frameset, but nobody wants to descend on one. – Ernesto Colnago
The only thing scarier than descending on a TVT frame is climbing without one. - Andy Hampsten

Since you are in the post-apocalypse age, you really don't need to know the meaning nor significance of "200lb" to the pre-apocalypse civilization.

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Why is the wind always against me?

I didn't realise how long I have actually been waiting for this frame. I want her now

And to think I could have been riding her around in all her pink glory for two months...

Pics V? Or will I have to wait til the Appin 400?

Oh I was just going to post in here saying 'I know nobody really cares but...'. I'm glad you care, Anthony.

The bike is nearly all together. An evening of bike building and beer drinking (ok so I drank beer and had little to do with the actual building) was spent last night and providing my rear wheel shows up I'll be riding her home today! She's looking pretty hot. Awesome paint job on the frame, better than factory if you ask me. Oh and the wheels are ridiculously hot. Possibly overkill, but hot.

Depending on how late I get her, I might have to ride straight to the track so you can have a sneak preview if you're there. I'll have to find some stuff to ride over on the way

AAAHhhh! gah! I can't come to track tonight, I'm going Mumford and Sons at the Enmore! WOOO! But I want a look see! Haha, I love bikes and beer drinking nights - it's why my fixie took so long I'm pricing up XX kit for the hardtail, so we should be able to go for a ride on shiny new steeds together!

I have to wait one more day Oh well. What's a day when I already waited nearly 3 months already?

When do we get to see pics of your frame? I am starting to think this thing doesn't actually exist

I completely forgot I ever posted that. I have those wheels on it now, how funny. They were second hand and at a bargain price, so I think I can be excused from being slow on them?