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I have a pair of deore external bb type cranks in a black finish.
This winter has been harsh to them so in the spring I fancy stripping them back.
A brief test with nitromors didn't touch the finish 😕
Would I be best dipping them in drain cleaner?
Any examples of similar experiments and results would be appreciated 🙂
Cheers
[i]Would I be best dipping them in drain cleaner?[/i]
I suspect you'd melt the aluminium too...
they'd be better off being polished 'clean' (as you've found it'll come off with some rubbing...)
Polish the anodising? Might take a while.......
I used caustic soda on my XT cranks, you need to be careful as it's nasty stuff and be careful on the timing as it will keep going, I think it took about 20 minutes to do mine.
Mr Muscle oven cleaner and a wire brush =]
Caustic Soda - mix with cold water, dunk for about 10 minutes, and it will come straight off.
Or use a plastic brush attachment on a drill, that takes the finish off pretty quickly, but leaves the aluminium alone.
Then finish off with 800/1200 wet and dry.
There is lots of "Alloy wheel stripping" stuff on the web, I would imagine the process would be the same. Worth a look?
This is an XT crank after a quick blast on a polishing wheel...
if you've got access to one it's the least effort.
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