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Old 02-23-07, 11:07 PM   #1
Mudu93
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Powdercoating crank arms.

Does this sound like a reasonable idea. I am having a frame and fork done and the crankset is a little nicked up and I thought it would be kind of cool looking to have it match the frame in color. Has anyone done this? Is it durable? Is this just a stupid question and cranksets come powdercoated all of the time.
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Old 02-23-07, 11:47 PM   #2
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I haven't seen cranks powdercoated actually. Mostly they're just black or silver. Assuming that's possible it'd be nice to see.
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Old 02-24-07, 01:45 AM   #3
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looks good, weighs alot (compared to anodizing), very durable.
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Old 02-24-07, 02:21 AM   #4
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lots of cranks are powder coated....go ahead.
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Old 02-24-07, 03:40 AM   #5
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Originally Posted by G60
weighs alot (compared to anodizing)
LOL, you're kidding right? You really can't be serious. Can you?

Tim
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Old 02-24-07, 05:32 AM   #6
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I saw an Eddy Merckx done in orange and blue with matching orange crank arms; It looked sweet.
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Old 02-24-07, 09:53 AM   #7
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Well Mudu, that sounds like a cool idea!
I know that Bullseye cranks came factory PCed.

Just as a note, either use a solid color OR have the metallic/pearl clear coated.
The metal/pearl flakes in powdercoat rise to the surface when baked. If there is no clear over it, then your feet will rub the flakes off of the crank, leaving a dull spot. Like where the shiny spot develops on anodized cranks.

Pics when you get the bike back together!
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Old 02-24-07, 02:02 PM   #8
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LOL, you're kidding right? You really can't be serious. Can you?

Tim
yeah i am. some people are concerned about that crap. i'm not.

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Old 02-24-07, 02:07 PM   #9
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yeah i am. some people are concerned about that crap. i'm not.
Could you maybe give us some numbers? For example, component before anodizing and powdercoating and then after?

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Old 02-24-07, 04:53 PM   #10
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yeah i am. some people are concerned about that crap. i'm not.
That is such an intelligent response. Could you be more specific and less profane? How much can powder coating possibley weigh?


Tim

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Old 02-24-07, 06:09 PM   #11
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With what I weigh, I am definatly not worried about the the weight of a powdercoat job. I just don't like the pewterish silver finish color on this 105 crank I picked up. I figure it can be sandblasted and powdercoated along with the frame without much added cost. Or I could just strip and polish it.
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Old 02-24-07, 06:30 PM   #12
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On 26" 19mm inside width rims, pc weighs 15-20g more than anodized surface treatment. On cranks this be much less difference, basically insignificant.

PC is gonna scuff just as easy as hard anodize - actually easier. I expect they'll look kinda crappy pretty quick. One alternative is to sand/dremel off anondize finish, then polish. This takes forever. This bears repeating - it takes forever. They don't call it hard anodize for nothing.
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Old 02-25-07, 04:18 AM   #13
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On 26" 19mm inside width rims, pc weighs 15-20g more than anodized surface treatment. On cranks this be much less difference, basically insignificant.

PC is gonna scuff just as easy as hard anodize - actually easier. I expect they'll look kinda crappy pretty quick. One alternative is to sand/dremel off anondize finish, then polish. This takes forever. This bears repeating - it takes forever. They don't call it hard anodize for nothing.
Campy used some kind of baked on finish on their old 8 Veloce and below groups. It seems to hold up well enough over the years. Then again, it was silver.

I agree on removing the old anodized finish. It is very labor intensive and has to be repeated. Ask the powdercoater what is the hardest finish he has.

Tim
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