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Best way to clean up the inner ST?

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Best way to clean up the inner ST?

Old 01-14-14, 12:26 PM
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Best way to clean up the inner ST?

please share your corporate secrecy of how to clean up the
grease gunk, paint residues, rusts and goos that you don't wanna know the origin INSIDE THE SEATTUBE.
homemade tools—other than rolled rags—chemicals, spirits, potions or any spells will be greatly helpful too.
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Old 01-14-14, 12:34 PM
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I never gave it much thought. We used to just use a long screwdriver and a rag. If they still sold 8 gauge cleaning brushes and swabs that might work. Fashioning a home made oversized gun cleaning type rod might be an approach.
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Old 01-14-14, 12:53 PM
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Simple tool that I have found useful for really crappy ones. Grab a length of wooden dowel (3/8" is good), saw a slit in one end up about 1 1/2 inches. Fold a strip of fine emery cloth and stuff it in the slit making sort of a long flap tool. Twist and insert into seat tube. Attach variable speed drill and carefully whir away the stuff. I have also taped 3M scotchbrite to a dowel and used that for cleanup.
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Old 01-14-14, 01:00 PM
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Plumbers brush from Home Depot. At least that is what was recommended to me. I have used .17 and .22 CAL brass brushes for small holes and tubes as well as .30 or .338 CAL brushes. Tried 12 Ga. brushes too. If the top part is rough you can use a wheel cyclinder hone. I have yet to investigate the possiblity of using a drill extension used to drill down headers of walls used for routing electrical cables.
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Old 01-14-14, 01:00 PM
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Originally Posted by Bianchigirll View Post
I never gave it much thought. We used to just use a long screwdriver and a rag. If they still sold 8 gauge cleaning brushes and swabs that might work. Fashioning a home made oversized gun cleaning type rod might be an approach.
gun cleaning rod!!!

Originally Posted by browngw View Post
Simple tool that I have found useful for really crappy ones. Grab a length of wooden dowel (3/8" is good), saw a slit in one end up about 1 1/2 inches. Fold a strip of fine emery cloth and stuff it in the slit making sort of a long flap tool. Twist and insert into seat tube. Attach variable speed drill and carefully whir away the stuff. I have also taped 3M scotchbrite to a dowel and used that for cleanup.
liking this method much. always love a homemade power tool whack
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Old 01-14-14, 01:07 PM
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wire brush like this cut off the loop at the end and put it in an electric drill... probably easy to find at a local shop too.
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Old 01-14-14, 01:16 PM
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Originally Posted by orangeology View Post
gun cleaning rod!!!
AH AH AH your mincing my words.... I said gun cleaning type rod. Something like Browngw is suggestion but rather than split the ends you put a slot in it so you could put say 3x3 inch rag through it.
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Old 01-14-14, 01:16 PM
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Round wire brush on a drill, brake hone on a drill. Just make sure to degrease the interior first before honing.
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Old 01-14-14, 01:25 PM
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Originally Posted by WNG View Post
Just make sure to degrease the interior first before honing.
the essential part of my question is quite there, in fact. best way to 'degrease' it. some gunk and goos are stubborn and stays 'deep',
having a hard time to put enough force of rubbing alcohol—that i use as a quick and dirty spirit to clean things up—to where needs attention.
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Old 01-14-14, 01:27 PM
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Originally Posted by Bianchigirll View Post
AH AH AH your mincing my words.... I said gun cleaning type rod. Something like Browngw is suggestion but rather than split the ends you put a slot in it so you could put say 3x3 inch rag through it.
of course i was joking, Ms
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Old 01-14-14, 01:29 PM
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Originally Posted by orangeology View Post
the essential part of my question is quite there, in fact. best way to 'degrease' it. some gunk and goos are stubborn and stays 'deep',
having a hard time to put enough force of rubbing alcohol—that i use as a quick and dirty spirit to clean things up—to where needs attention.
Good old "GooGone" works as well as anything I have tried.
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Old 01-14-14, 01:35 PM
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I use a long bristle brush designed to clean out tubular bird seed feeders. Just a long twisted wire handle with about 6" height of bristles sticking out around the bottom. Diameter of bristles might be 2" or so. Just ream that up & down inside seat tube.
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Old 01-14-14, 01:37 PM
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Aerosol brake cleaner is very good at degreasing and leaves no residue. Take off the BB first to let excess gunk dribble out.
I like the wooden dowel suggestion. Or use an old broom handle, cut one end square, follow previous suggestion to attach emery cloth or rag.

Your seat tube must be pretty nasty to require this much attention.
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Old 01-14-14, 01:39 PM
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Originally Posted by orangeology View Post
of course i was joking, Ms
I wasn't quite sure but I suspected it. But I wanted to be sure no one thought I was condoning the use of a gun cleaning rod to work on a bike oh perish the thought.

you know if your aim is simply to clean grease and lubes, if the BB is out you can always just push some small rags through with any old type of stiff rod
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Old 01-14-14, 01:52 PM
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awesome. guess i've gotten a clear idea what to do.
thanks for nice suggestions/ideas and insights, all!

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Old 01-14-14, 02:36 PM
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A carborundum ball flexible hone ... looking like a Brussel's Sprout stalk
(or Grape cluster)... and a drill motor.
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Old 01-14-14, 02:57 PM
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Originally Posted by fietsbob View Post
A carborundum ball flexible hone ... looking like a Brussel's Sprout stalk,
or Grape cluster... and a drill motor.
Wouldn't a grape cluster on a power drill be messy? LOL


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Old 01-14-14, 03:06 PM
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Originally Posted by browngw View Post
Simple tool that I have found useful for really crappy ones. Grab a length of wooden dowel (3/8" is good), saw a slit in one end up about 1 1/2 inches. Fold a strip of and stuff it in the slit making sort of a long flap tool. Twist and insert into seat tube. Attach variable speed drill and carefully whir away the stuff. I have also taped 3M scotchbrite to a dowel and used that for cleanup.

Wow, that's spooky...has you been peeking in my garage?

OP, I can assure you the drill/dowel/scotchbrite combo is highly effective. (different grade of scotchbrite for different applications, and a bit of WD-40 for good measure).
Go slow on the drill though...if you go too fast and the pad catches it will break the dowel (don't ask how I know, lol).

Steve
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Old 01-14-14, 03:26 PM
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Originally Posted by Bianchigirll View Post
Wouldn't a grape cluster on a power drill be messy? LOL


they sell these in bike tools catalogs for just this purpose, usually referred to as a flex hone.
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Old 01-14-14, 04:13 PM
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Another useful tool is one of those mechanic's claw-ended pick-things-up tool. Not sure what it is really called. When you lose contact with a rag or paper towel down the tube a tool like this is just the ticket to grab it.

https://www.sears.com/tekton-36inch-c...223403?prdNo=1
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Old 01-14-14, 04:34 PM
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I am still unclear if the OP wants a flex hone type tool (a small cyclinder hone from harbor freight it good too) or just something to mop up lubes and grease and other fluids and semi fluids.
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Old 01-14-14, 04:40 PM
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Originally Posted by Bianchigirll View Post
I am still unclear if the OP wants a flex hone type tool (a small cyclinder hone from harbor freight it good too) or just something to mop up lubes and grease and other fluids and semi fluids.
little bit of both. just wanted see what ideas are out there on the method side while wanted to see if there's a magic formular in terms of degunking the stubborn stuffs on the inner surface.

so far, it's great learning same time quite entertaining.
always loving to see various ideas well seasoned.
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Old 01-14-14, 04:53 PM
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Originally Posted by orangeology View Post
little bit of both. just wanted see what ideas are out there on the method side while wanted to see if there's a magic formular in terms of degunking the stubborn stuffs on the inner surface.

so far, it's great learning same time quite entertaining.
always loving to see various ideas well seasoned.
well reasoned ideas? more like half baked ideas!!!
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Old 01-14-14, 05:16 PM
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You want to use this, but very gingerly! - You want to remove rust/scale, not up-size your seat post.

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Old 01-14-14, 05:20 PM
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Cleaning: Wad something up around a dowel or other similar long rod. Apply some type of solvent....alcohol, Dawn dish detergent, whatever. As long as it cleans the gunk.

Prepping/deburring: 8" half round file or ball hone as pictured above

Reference thread from back in the day...

https://www.bikeforums.net/showthread...ght=%27file%27
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