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Old 01-26-09, 07:38 PM   #1
bcoppola
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Miyata 90 frame - rambling questions

Help me clarify my thinking if that's possible. About a year ago I bought a couple of badly neglected bikes @ $10 ea. to flip the frames & whatever else I could salvage (not much, as it turned out).

One is a Miyata 90 from the early 90s IIRC. It was metallic red with "Ninety" in script on the top tube. It had so much surface rust that I took off most of the paint, but the metal is sound (yes, inside too). A pic, in this case, would be worthless.

It has a chrome Tange fork that I strongly suspect was a replacement (the catalog I saw online showed the bike in all red). The cracked headset suggests a crash but the frame is straight & true. No trauma around the head lugs.

I was going to build it back up for my niece w/ some better components but she lost interest. So it's been hanging in the basement. I just keep thinking I should do something with it.

Rambling question #1: In spite of being a lower-end model w/straight gauge tubing the frame seems light compared to the few comparable frames I've known. Just my imagination or was there something to their "Magnalite" tubing?

Rambling question #2: In spite of its low-end pedigree might it be a "diamond in the rough" as a rider & worth the trouble to build up & do a better than spray bomb repaint?

Rambling question #3: Should I replace the Tange fork - or might it be original to the bike - a mid-production run substitution, perhaps? The rusty chrome polished up fairly well.
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Old 01-27-09, 07:14 AM   #2
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#1. No, nothing special about the mangalite tubing
#2 No, its not a diamond in the rough. If its a 90's model it may be a made in Tawain frome
#3 Leave the fork alone. Tange forks are good forks.

I wouldnt mind seeing pictures of it without paint......
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Old 01-27-09, 07:18 AM   #3
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+1 Miamijim nailed it.

Rusty chrome plus oxalic acid treatment and it should be looking good. Forks are particularly easy to treat. Just use a plastic waste basket or similar.
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Old 01-27-09, 08:14 AM   #4
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That's the kind of bike I'd probably turn into a winter bike or rainy day bike, if you ride in inclement weather, esp. if it has fender eyelets and clearance for fenders and medium width tires.

Last edited by IceNine; 01-27-09 at 08:17 AM.
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Old 01-27-09, 08:21 AM   #5
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Thanks. I'm at work now but IIRC it had Made in Japan either on a sticker or the headbadge. That surprised me at the time.

I'll try to post pics of the stripped frame by the weekend. Maybe tomorrow if the predicted snowstorm keeps me home.

Might move the fixed gear bits from my Schwinn World Sport to the Miyata (no kittens will die) & make the Schwinn a geared rider from my parts bin. Bought a Suntour Cyclone derailleur set last year from a CVer for the "niece" project, & have a nice Mavic/Shimano wheelset w/8 speed cassette.

...unless, of course, I find that $25 Paramount garage sale special.

Last edited by bcoppola; 01-27-09 at 08:24 AM.
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Old 01-27-09, 08:30 AM   #6
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Quote:
Originally Posted by bcoppola View Post
..unless, of course, I find that $25 Paramount garage sale special.
Where do you live? It would be helpfull to know....
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Old 01-27-09, 09:03 AM   #7
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Detroit burbs, east side (Macomb Township) & work way across town (Plymouth Township) almost to Ann Arbor. I've bought some parts from redxj not far from work in the past.
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Old 01-28-09, 04:10 PM   #8
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Pics for miamijim and anyone else interested, as promised. It is indeed Japanese made.

Dull appearance is due to corrosion resistant spray gunk for storage I got at Graingers.




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