Mountain Biking - Look what I did! :D
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01-23-12, 06:16 PM
I took these cranks:
And made them look like this:
:D I feel good haha
01-23-12, 07:41 PM
Ooh pretty! :D
01-23-12, 08:10 PM
No real need to with Aluminum, at least with a brushed finished (as opposed to polished).
01-23-12, 08:32 PM
nice, what did you use? ive done small things with steel wool before but that looks like it would take forever doing it that way.
01-23-12, 09:02 PM
I'd have used a bench grinder with a wire wheel :) .
01-24-12, 12:39 AM
I used an spray on oven cleaner, let the spray sit for 5 min, rinse off, and repeat until most of the paint camme off. Then i just sanded the cranks until it looked nice. I didnt clear coat it because i didnt have anything to clear coat with... but im prety sure i had read that i didnt need the clear coat for aluminum cranks
01-24-12, 07:04 AM
Interesting! How many repetitions did it require?
And no, Aluminum won't corrode beyond a thin, hazy layer on the surface. On a brushed finish, this can't be seen anyways. Only with a polished finish is either a layer of oil or a clearcoat required to prevent oxidation and the haziness.
No real need to with Aluminum, at least with a brushed finished (as opposed to polished).False. If you get too heavy-handed stripping the finish (wire brush, sanding, etc.) you also quite probably take off the anodized layer, which immediately exposes the base metal to oxidation. Even with a brushed finish, they'll dull and look like hell in no time.
You should check out Khatfull's polishing threads in C&V. There is a lot of info about stripping anodizing, sanding, and later finishing. The temporary solution to prevent oxidation is a coat of wax.
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