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Singlespeed & Fixed Gear "I still feel that variable gears are only for people over forty-five. Isn't it better to triumph by the strength of your muscles than by the artifice of a derailer? We are getting soft...As for me, give me a fixed gear!"-- Henri Desgrange (31 January 1865 - 16 August 1940)

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Old 09-30-12, 05:45 PM   #1
guitarmankyle
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Refinishing cranks?

so i've had a set of dura ace 7701's for a while, and they've been beat up and rubbed up(dura ace logo is no longer there). I was thinking about polishing them up, but im working on a new build where the parts are mostly black, and i was wondering if there was a safe way to powder or paint the cranks? or should i just polish them up, and have polished cranks but black everything else?
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Old 09-30-12, 05:47 PM   #2
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powder coating will come out bad, because they're aluminum. you can polish them, or use a wet paint.
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Old 09-30-12, 05:50 PM   #3
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Nagrom is a pro at polishing stuff. Maybe he can give you some pointers.

edit: too late!

Last edited by Scrodzilla; 09-30-12 at 05:51 PM. Reason: damnit
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Old 09-30-12, 05:53 PM   #4
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Cranks aren't hard, I polished my 7710's.

you know, its just hard to take a matte black finish, and try and take it to a mirror finish, especially when its a big ass rim.... hahaha.

Last edited by Nagrom_; 09-30-12 at 05:58 PM.
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Old 09-30-12, 06:00 PM   #5
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any tips on wet painting it? im guessing rattle can would rub off after the first week or so :\
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Old 09-30-12, 06:02 PM   #6
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um, pretty much all of it will if you don't do it professionally. take it to an autobody shop or something.
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Old 09-30-12, 06:09 PM   #7
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aluminum can be anodized right? there a place that professionally anodizes stuff a couple miles from my house, im sure it'd be super cheap to do a small job like some tiny crank arms
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Old 09-30-12, 06:10 PM   #8
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That'd be the route to go.
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Old 09-30-12, 06:13 PM   #9
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alright sweet, thanks!
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Old 09-30-12, 07:46 PM   #10
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aluminum can be anodized right? there a place that professionally anodizes stuff a couple miles from my house, im sure it'd be super cheap to do a small job like some tiny crank arms
Let us know how that goes. What do you consider super cheap?
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Old 09-30-12, 07:48 PM   #11
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Let us know how that goes. What do you consider super cheap?
ETA: most places won't ano used parts. Things need to be super clean before putting them in the tanks. Cranks pick up a lot of crap in the the threads that could be hard to clean out to the satisfaction of the person in charge. But as I said, update us.
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Old 09-30-12, 07:51 PM   #12
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ETA: most places won't ano used parts. Things need to be super clean before putting them in the tanks. Cranks pick up a lot of crap in the the threads that could be hard to clean out to the satisfaction of the person in charge. But as I said, update us.
They will probably media blast it beforehand.
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Old 09-30-12, 07:58 PM   #13
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I can't believe I'm doing this:

http://prollyisnotprobably.com/2009/...bicycle-parts/
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Old 09-30-12, 08:00 PM   #14
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Old 09-30-12, 08:10 PM   #15
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You can also use a dremel with the polishing wheel, and some toothpaste.
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Old 09-30-12, 08:13 PM   #16
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They will probably media blast it beforehand.
Im just sayin, don't hold out hope.
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Old 09-30-12, 08:18 PM   #17
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lol.

Here's a link from the "Start Here" thread you started: http://www.bikeforums.net/showthread...40#post3677840
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Old 10-01-12, 05:13 PM   #18
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lol.

Here's a link from the "Start Here" thread you started: http://www.bikeforums.net/showthread...40#post3677840
Damn.

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Old 10-03-12, 05:02 PM   #19
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I'd stay polished if I were you. Polished cranks generally can suit any build while black cranks, not so much.
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