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PostPosted: Mon Feb 20, 2017 4:56 pm 
Retro Guru
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Joined: Thu Feb 28, 2008 10:47 am
Posts: 896
Location: Herne Bay, Kent
I'm planning on restoring an early '90s team frame - its MMC and I've heard there were problems getting paint to stick to Metal Matrix Composite in the early days (reflected in the condition of the frame I have). I usually powder-coat my steel frames in solid primary colours these days, but being alloy am always weary of doing this especially to heat treated frames because of the re- heating process etc.

Due to the totally different construction used in MMC construction (AL and AL02) welds etc my questions to anyone that knows are:
- can M2 frames be safely powder-coated, and will the powder actually take to the frame long term?
- what is the best paint method and should I consider an etch primer prior to painting, or what is the best technique without costing the earth or wrecking this ex-team bike.

When completed - It will be a shelf queen (as I have another production M2 Team built up and running I have no intention of painting), and I will be asking Gill to do me all the original vinyl decals which is pretty easy as they are all plain yellow vinyl, for this project.

any advice appreciated.


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PostPosted: Mon Feb 20, 2017 6:04 pm 
Retro Guru

Joined: Tue Oct 23, 2012 10:52 am
Posts: 462
Location: Whelmington on Sea
If you go down the route of wet paint always use a self etch primer, if you have to go premixed always make sure it is within the use by date, if theres no date do not buy it.


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 Post subject: Re:
PostPosted: Mon Feb 20, 2017 9:49 pm 
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Joined: Thu Feb 28, 2008 10:47 am
Posts: 896
Location: Herne Bay, Kent
thank thats handy advice appreciated :)


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 Post subject: Re:
PostPosted: Tue Feb 21, 2017 1:08 am 
retrobike rider
retrobike rider
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Joined: Fri Jul 25, 2014 9:51 pm
Posts: 1523
Location: Bradford, West Yorkshire
I bought an M2 that had been powdercoated and after its 5th ride, it cracked at the seat tube. Could be age, notorious for cracking there or the powder coat. I have the later M2 that is beefed up with gussets and a larger seat tube diameter. I hasten to add; it has original paint :D


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