Krud Kutter vs JP Weigle frame saver
04-08-16, 06:56 PM
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Krud Kutter vs JP Weigle frame saver
Next week I'm completely stripping down my '92 PDG and replacing the entire group/wheelset from the 105SC to tricolor. It has no outside rust and the inside of the bb shell is clean but I know there's some inside the tubes because it leaves a film on my white cable housing when I pull it out of the top tube. I've read (in the article below) that Krud Kutter is a good alternative to JP's stuff and my local Lowes has it in stock. Has anyone used it? It doesn't come in a spray can but I have a new spray bottle I can use.
Also, what's the best way to prep the frame for it? As in, should I somehow try to clean the inside of the tubes first? Or just leave it alone and spray?
How To Make a Steel Frame Last Forever with JP Weigle?s Framesaver - Home Bicycle Mechanic
Also, what's the best way to prep the frame for it? As in, should I somehow try to clean the inside of the tubes first? Or just leave it alone and spray?
How To Make a Steel Frame Last Forever with JP Weigle?s Framesaver - Home Bicycle Mechanic
04-08-16, 07:37 PM
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Most of these products function in a very similar way. I've used fluid film in a spray can and boiled linseed oil. Anything in a spray can is relatively easy to use. I would leave the tubes alone and just spray it in. If you want to do a little cleaning, I guess you could spray in some compressed air ahead of time, but it's not necessary.
The goal is to create a vapor barrier with a hydrophobic volatile. If you coat it well, the rust will just be locked in place.
The goal is to create a vapor barrier with a hydrophobic volatile. If you coat it well, the rust will just be locked in place.
04-08-16, 08:37 PM
#3
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I use Krud Kutter for cleaning parts. It's just a cleaner (unless they have another product I don't know about). The frame saver I have used is a different brand but is definitely not a cleaner.
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04-08-16, 11:33 PM
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Fluid Film can be bought at auto stores. It is as good as the Frame Saver product. I have used both.
04-09-16, 09:10 AM
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You are welcome. I coat the underside and inner frame of my Wrangler (Jeep) in addition to having used it on bicycles (inside the frame tubes). The product leaves a thin corrosion resistant film that clings tenaciously to the metal. It will eventually wash off from the undercarriage of a car but when used inside a bicycle frame it is essentially permanent as is the Frame Saver product. Both products will be drippy and stinky when first applied. Either product is best applied to a disassembled frame so it can be turned this way and that as it drips and dries, preferably in a warm, ventilated, sunny place. 
. But it could be done to an assembled bike I suppose.
. But it could be done to an assembled bike I suppose.
Last edited by Loose Chain; 04-09-16 at 09:15 AM.
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