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Classic & Vintage This forum is to discuss the many aspects of classic and vintage bicycles, including musclebikes, lightweights, middleweights, hi-wheelers, bone-shakers, safety bikes and much more.

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Old 04-17-08, 12:21 PM
  #26  
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I'm 90% certain they're painted steel, which theory is borne out by the blurb on CR, here: https://www.classicrendezvous.com/Sweden/Crescent.htm

How improper would it be to strip and repaint them?

So it really is white paint around the lugs? I guess that qualifies as a protective coating. The reason it's not obviously paint to me is that there's black discoloration on the tubes that's not covered by the paint. I'd like to get that discoloration out if possible, and the white paint is gonna hinder that.

I had a Miyata with outlines around the lugs, but it was a fade, where this are a solid line that doesn't look very professionally executed.
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Old 04-17-08, 12:33 PM
  #27  
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Originally Posted by truman
I'm 90% certain they're painted steel, which theory is borne out by the blurb on CR, here: https://www.classicrendezvous.com/Sweden/Crescent.htm

How improper would it be to strip and repaint them?

So it really is white paint around the lugs? I guess that qualifies as a protective coating. The reason it's not obviously paint to me is that there's black discoloration on the tubes that's not covered by the paint. I'd like to get that discoloration out if possible, and the white paint is gonna hinder that.

I had a Miyata with outlines around the lugs, but it was a fade, where this are a solid line that doesn't look very professionally executed.
If the lugs are painted, I don't see any reason why they couldn't be stripped, primed and repainted. Painted lug outlines are quite common, and are used to make the lug/tubing transitions stand out. The paint can also be used to cover up any gaps in the brazing.

I noticed the discoloration, and suspect that is oxidized (tarnished) silver from the silver solder used to braze the lugs. I'd try using silver polish (the kind your mom used to use for her silverware) on it and see if it cleans up.
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Old 04-17-08, 12:37 PM
  #28  
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Originally Posted by Scooper
If the lugs are painted, I don't see any reason why they couldn't be stripped, primed and repainted. Painted lug outlines are quite common, and are used to make the lug/tubing transitions stand out. The paint can also be used to cover up any gaps in the brazing.

I noticed the discoloration, and suspect that is oxidized (tarnished) silver from the silver solder used to braze the lugs. I'd try using silver polish (the kind your mom used to use for her silverware) on it and see if it cleans up.
So, Mom's polish, but not Mother's?

I like your style - you give me permission to do what I want to do, then you tell me how to do it better.

When it comes time to repaint the outlines, I think I'll hire that done. Time to get out the Dremel..

Any tips for getting the spot rust off the little bits like cable guides? Mother's?
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Old 04-17-08, 12:59 PM
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Beautiful bike.

Good luck with that seat.... I ride the same (I'm pretty sure) and it is like sitting on a malformed rock.. It is really a painful experience after around 10 miles. God that bike is beautiful though.
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Old 04-17-08, 01:01 PM
  #30  
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FWIW.........I'd hand rub first before dremel to be sure of plating versus paint.............
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Old 04-17-08, 01:06 PM
  #31  
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Originally Posted by truman
Time to get out the Dremel.
Even hearing something like this makes me shiver.
How about treating the bike you've had for some hours with as much respect as the former owner(s) of 30 years?
So hear my unceremonious advice: with a Dremel you'll have to have *much* practice to not destroy more than you would have just using your HANDS.
It's a vintage lady after all, and they don't make 'em that way anymore.

Originally Posted by truman
Any tips for getting the spot rust off the little bits like cable guides?
Tender Loving Care?

Some other blunt advices:
1. Don't hurry.
2. Find out if it's really rust or if it's another form of oxidation you'll have to treat differently (you lugs look like that's the case).
3. Yes, try mothers - or something similar. Can't hurt too much.
4. If it's really rust, try oxalic acid.
5. Don't Dremel if you don't have to. Elbow grease does it most of the time.

Good luck.

Last edited by VintageR; 04-17-08 at 01:17 PM.
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Old 04-17-08, 01:22 PM
  #32  
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I hand-rubbed with metal polish for quite awhile last night. I'll give it one more shot, but it looks like paint.
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Old 04-17-08, 01:24 PM
  #33  
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i sploodged myself
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Old 04-17-08, 01:31 PM
  #34  
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So, what's the rest of the story? Where did you get it, how much did you pay (do I want to know or will I cry?)?
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Old 04-17-08, 01:46 PM
  #35  
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VintageR, I appreciate your advice, if not your tone. I can only assume you've seen some pretty ham-fisted Dremel work to come off so stridently.

For my purposes, the tool lets me be more precise and keeps me detail-oriented and patient, rather than the reverse. I assure you that I won't use it where better techniques yet exist.

Cyclotoine: you could either say I got it free, or that I had to ride clear across Texas - 540 miles in one week - to get it, and either one would be accurate. The story is thus:

The bike was my uncle's. He bought it as a Crescent/Masi/Raleigh dealer when he owned an LBS in Corpus Christi, way back in the early 70's. Now that he's in his early 70's (and particularly since his pelvis was crushed last year by a fishing boat, while ocean kayaking off Jalapa, Mexico), he can't really ride it anymore.

He liked the whole idea of a ride we took to Corpus Christi (see Soldier Ride button in my sig for details) and since we're about the same size, he decided I should have the Crescent.

It arrived yesterday. My uncle is back fishing in Jalapa this week.

I did have to cover the $1,000 insurance for shipping though.
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Old 04-17-08, 01:52 PM
  #36  
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Originally Posted by truman
VintageR, I appreciate your advice, if not your tone. I can only assume you've seen some pretty ham-fisted Dremel work to come off so stridently.
Before you bring out the dremel to polish paint (I don't care what speed one runs a dremel at with whatever bit - it'll whack paint and plating off without a second to spare), have you tried going over it with Meguiars Scratch X?

-Kurt
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Old 04-17-08, 01:56 PM
  #37  
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aren't you sorry you said dremel?..................
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Old 04-17-08, 02:07 PM
  #38  
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You know, I "misspoke" (hey, ALL the politicians are doing it) when I said 'Dremel'.
What I meant to say was was 'Q-Tip moistened with Baby Oil and a hint of baking soda'

And LOOK! My opponent over there has been mixing Suntour Superbe parts with Shimano Acera... (runs away)
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Old 04-17-08, 02:20 PM
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Old 04-18-08, 11:02 AM
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Originally Posted by truman
Any tips for getting the spot rust off the little bits like cable guides? Mother's?
Off chrome bits? Super fine steel wool, the 0000 variety.
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Old 04-18-08, 01:33 PM
  #41  
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Thanks, Nev. I'll try that - I have some lying around. Ever use Nev-r Dull wadding on chrome or other other metals?
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Old 04-18-08, 01:53 PM
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Originally Posted by truman
Any tips for getting the spot rust off the little bits like cable guides? Mother's?
Mix a few pinches of Oxalic Acid crystals and hot water in a pie tin, and soak overnite. All the rust will be gone. Rinse off, shoot with WD40, and wipe.

Ooooooooohhhh...... Shiny.
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Old 04-18-08, 02:36 PM
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For non aluminum (steel) metals try Simichrome, Maas, or Hagerty 100
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Old 04-21-08, 03:49 PM
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Old Fat Guy, do you have a source for Simichrome? The usual suspects around my house don't have it, but I'm sure Ive seen it somewhere in Fort Worth.

For the general fund of knowledge - After the advice to you my mom's silver polishing product, I read the label on a few containers of silver polish/tarnish removing products. They warn pretty expressly about the possibility of discoloring stainless steel. Glad I checked.
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Old 04-21-08, 05:13 PM
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Originally Posted by truman
Old Fat Guy, do you have a source for Simichrome? The usual suspects around my house don't have it, but I'm sure Ive seen it somewhere in Fort Worth.

For the general fund of knowledge - After the advice to you my mom's silver polishing product, I read the label on a few containers of silver polish/tarnish removing products. They warn pretty expressly about the possibility of discoloring stainless steel. Glad I checked.
Yikes! I'm the one that suggested silver polish. My bad.
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Old 04-21-08, 05:59 PM
  #46  
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Originally Posted by Scooper
Yikes! I'm the one that suggested silver polish. My bad.
No worries, it was a worthy idea. Thanks for posting. Only reason I bring it up is for the guys who read and follows the suggestions without ever saying anything.
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Old 04-21-08, 07:00 PM
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Wow. My father bought a Crescent at a tag sale last year. I looked for info online and couldn't find much other than the classic rendezvous page, I thought it was a neat bike with stainless and campy but I couldn't much info about it. The lugs looked like Truman's, My father ended up painting them with a brush and some nasty black paint. Any idea what they sell for? I think he paid 10 bucks for the Crescent, Raleigh and some wheels.
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Old 04-21-08, 07:49 PM
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Originally Posted by 0o0o0o
Wow. My father bought a Crescent at a tag sale last year. I looked for info online and couldn't find much other than the classic rendezvous page, I thought it was a neat bike with stainless and campy but I couldn't much info about it. The lugs looked like Truman's, My father ended up painting them with a brush and some nasty black paint. Any idea what they sell for? I think he paid 10 bucks for the Crescent, Raleigh and some wheels.
If that Crescent just happens to be in the neighborhood of 25" or 63-64cm...please pm me!

And Truman, BEAUTIFUL! Worth the wait.
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Old 04-21-08, 11:19 PM
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Thank you. Tonight, I put on a honey colored Brooks Team Pro and new tan bar tape. I think the lugs will wind up going more bronze than gold, by the time it's done.
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Old 04-22-08, 09:54 AM
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Originally Posted by Little Darwin
Nice looking bike!

On the full bike shots, I can only say it must be interesting to ride with the handlebar oriented like that.
Ask Sean Yates
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