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Old 03-03-07, 12:17 PM   #1
RalphP
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Rust Prevention Treatment for Tubes?

I've read in a few places about people treating the insides of their frame to prevent rust. This is a new concept to me. Has anyone ever heard of a frame rusting from the inside out? I have a bike on order w/Rivendell. Do shops rust proof the frames routinely or will they do it upon request? Any opinions or knowledge on this subject will be greatly appreciated.
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Old 03-03-07, 12:55 PM   #2
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Any good bikeshop will either carry or be able to order Frame-Saver for you. You can probably just ask rivendell to do it but they might charge anywhere from 30 - 50 dollars and it adds an extra day. If you're just getting a frame you can do it yourself with the 14 dollar can.
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Old 03-03-07, 06:20 PM   #3
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Boiled linseed oil is another traditional rust preventer.

I haven't personally seen rust that bad, but yes, internal rust is apparently the commonest way for rust to cause frame failure.
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Old 03-03-07, 08:49 PM   #4
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Or - - - an aluminum frame.
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Old 03-03-07, 11:45 PM   #5
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yeh, i've heard they go over 100,000 miles without breaking.....

Boiled linseed oil does work, can also use on nipples as threadlocker (kinda messy). Can buy this in any hardware, walmart etc in paint section. It takes a long time for b.l.o. to dry hard (at least a week) and it has a unique, not-too-pleasant odor while its drying. So, treat frame, then hang up in a shed for a few weeks before you try to build (this is very messy proposition on already-built frames, wipe off spills as this stuff is a gummy, tenacious mess to remove when dry). A quart/litre can will do about 10 bikes.

Steel frames often rust on the inside. The inside of the tubes are raw steel exposed to ambient conditions, and unless they've been treated with a rust inhibiting coating, then some rust will eventually occur. Water gets trapped inside frames and can't readily exit/evaporate. A normal point of entry is rain hitting seatpost runs down inside seat tube, pools above BB shell. You'll normally see some rust at the bottom when you look down a seat tube. Always avoid immersing your hubs, chainstays and bottom bracket in water (stream crossings, etc) - once water gets in it usually causes some problems - rust in hub/bb bearings/races, rust in chainstays.

Oh, I just reread the OP post - if you're shelling out for a rivendell just go ahead and pay them to rustproof it for ya - tell them before its painting time!
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Old 03-04-07, 02:14 AM   #6
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Quote:
Originally Posted by RalphP
I've read in a few places about people treating the insides of their frame to prevent rust. This is a new concept to me. Has anyone ever heard of a frame rusting from the inside out? I have a bike on order w/Rivendell. Do shops rust proof the frames routinely or will they do it upon request? Any opinions or knowledge on this subject will be greatly appreciated.
I've seen several very nice frames rust from the inside out. Spend the $15 on a can of FrameSaver for your $1500 frame and forget about it.
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Old 03-04-07, 09:34 AM   #7
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Boeshield T-9 is another rust preventitive, I use it.

See: http://www.kanza.com/boeshield/
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Old 03-06-07, 07:41 PM   #8
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Related question. Is it okay to treat my frame with the bottom bracket installed?
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Old 03-06-07, 08:49 PM   #9
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Originally Posted by bccycleguy
Boeshield T-9 is another rust preventitive, I use it.

See: http://www.kanza.com/boeshield/
Not only does it prevent rust, but I've seen it oxidize rust that is forming, preventing it from spreading further. I use this on all my fasteners, scratches and tubes. Highly recommended.
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