Redline 401 crank arms and a vinegar bath?  RSS Feed

#1 2012-12-13 1:11pm

Eddie11
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Redline 401 crank arms and a vinegar bath?

I just got a set of crank arms with surface rust and the chrome is dull.  Would a vinegar bath work on the arms?  I hate to ruin the arms.  I plan on soaking tonight.

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#2 2012-12-13 2:12pm

MEFISTO
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Re: Redline 401 crank arms and a vinegar bath?

you can clean them with 0000 steel wool
or vinegar bath for 6hs


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#3 2012-12-13 2:31pm

Quetzal
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From: Long Beach, CA
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Re: Redline 401 crank arms and a vinegar bath?

MEFISTO wrote:

you can clean them with 0000 steel wool
or vinegar bath for 6hs

Careful - READ as many diy threads as possible before attempting the vinegar bath.  Not saying it doesn't work, but if done incorrectly you can really frank up those cranks.  Good luck.


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#4 2012-12-13 2:48pm

Eddie11
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Re: Redline 401 crank arms and a vinegar bath?

I read a lot about vinegar but it gets confusing with everyone's different input
Should I add a lil baking soda.   I read this helps or I could be wrong

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#5 2012-12-13 3:16pm

Eric DeCastro
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From: San Diego, CA
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Re: Redline 401 crank arms and a vinegar bath?

i use OA bath


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#6 2012-12-13 4:43pm

Eddie11
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Re: Redline 401 crank arms and a vinegar bath?

I removed it from the vinegar.  Don't want to screw them up.
Oh well, it's going on a rider anyways.

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#7 2012-12-13 5:00pm

NR1
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From: Syracuse, NY
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Re: Redline 401 crank arms and a vinegar bath?

I just did the flights in this pic last week in an OA bath.
They had light surface rust. This is the after pic.
I was very happy with the results.
http://i285.photobucket.com/albums/ll43/megavisual/IMG_0018.jpg

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#8 2012-12-13 5:05pm

crsteen
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From: Birmingham, AL
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Re: Redline 401 crank arms and a vinegar bath?

CLR and water.. Mix about 50/50 or you can even go 25% CLR and 75% water.. works great!  will not find much on here about CLR but I promise it works. Oh and maybe 4-10 hrs. just keep checking with a scrub brush.


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#9 2012-12-13 5:29pm

sithlord3
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Re: Redline 401 crank arms and a vinegar bath?

OA bath.


I can't understand why anyone would want an old, scratched up, dirty, dusty bike, when you could go and buy a brand new shiny one.

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#10 2012-12-13 6:27pm

NOPOSERS
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From: Long Beach, CA
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Re: Redline 401 crank arms and a vinegar bath?

crsteen wrote:

CLR and water.. Mix about 50/50 or you can even go 25% CLR and 75% water.. works great!  will not find much on here about CLR but I promise it works. Oh and maybe 4-10 hrs. just keep checking with a scrub brush.

+1


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One 20x1.75 tan wall PRIMO V-MONSTER
Haro Group 1 freestyle stem. Any color
26t tioga roll on pegs
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#11 2012-12-13 10:23pm

MEFISTO
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Re: Redline 401 crank arms and a vinegar bath?

Eddie11 wrote:

I read a lot about vinegar but it gets confusing with everyone's different input
Should I add a lil baking soda.   I read this helps or I could be wrong

the problem is when some ppl leaves 24hs a small piece of metal  inside Vinegar
Metal is going DARK, loses the Chrome, it dies.

Frame/Fork/handlebars (BIG PIECES WITH A LOT OF RUST).. u can leave 24hs Bath
frame or fork standers/cranks/seatpost ... with 6hs you are done
small pieces like.. chain/screws/etc... with 1 or 2hours is enough!

NO MORE

anyway..
u can take the part off the vinegar and see if Rust is easy to clean
if not.. u can leave on bath a little more


[img]https://fbcdn-sphotos-e-a.akamaihd.net/hphotos-ak-frc3/1470419_10152009795298320_10046672_n.jpg[/img]
                                                                                                                                  This is My Step By Step Build  [1987 Haro Team Master]

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#12 2012-12-14 6:50pm

Johnnny
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Re: Redline 401 crank arms and a vinegar bath?

I have yet to try the OA bath but do plan on it...
Vinegar works quite well for small or completely submerged items. I have found that if you leave a part half way in the area above the surface can get a cloudy appearance from the fumes.

Remember one thing. All of these rust eating methods will eat metal as well so it's important not to leave it for too long.

Baking soda was mentioned above, the reason it will slow down the reaction is because it (and ammonia) neutralize acid.

Lastly, when the parts come out you will want to neutralize the acid. I suggest ammonian and water (about 1 cup a to a gallon of water) let sit for 10 minutes and then spray WD-40 or whatever you like into the holes on the tubes for protection.

Merry Christmas cool

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