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  1. #1
    King of the molehills bcoppola's Avatar
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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.
    '04 Giant OCR2|'87 Schwinn World Sport F/G conversion (6,129)|'92 Trek 820 MTB|'85 Schwinn Super LeTour
    "People who spend most of their natural lives riding iron bicycles over the rocky roadsteads of this parish get their personalities mixed up with the personalities of their bicycle as a result of the interchanging of the atoms of each of them and you would be surprised at the number of people in these parts who are nearly half people and half bicycles." - Flann O'Brien, The Third Policeman

  2. #2
    Senior Member miamijim's Avatar
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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......
    WWW.CYCLESPEUGEOT.COM 2005 Pinarello Dogma; 1991 Paramount PDG 70 Mtb; 1976? AD Vent Noir; 1989 LeMond Maillot Juane F&F; 1993? Basso GAP F&F; 1989 Terry Symmetry; 2003 Trek 4700 Mtb; 1983 Vitus 979

  3. #3
    DRF aka Thrifty Bill wrk101's Avatar
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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.

  4. #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 07:17 AM.

  5. #5
    King of the molehills bcoppola's Avatar
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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 07:24 AM.
    '04 Giant OCR2|'87 Schwinn World Sport F/G conversion (6,129)|'92 Trek 820 MTB|'85 Schwinn Super LeTour
    "People who spend most of their natural lives riding iron bicycles over the rocky roadsteads of this parish get their personalities mixed up with the personalities of their bicycle as a result of the interchanging of the atoms of each of them and you would be surprised at the number of people in these parts who are nearly half people and half bicycles." - Flann O'Brien, The Third Policeman

  6. #6
    Senior Member miamijim's Avatar
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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....
    WWW.CYCLESPEUGEOT.COM 2005 Pinarello Dogma; 1991 Paramount PDG 70 Mtb; 1976? AD Vent Noir; 1989 LeMond Maillot Juane F&F; 1993? Basso GAP F&F; 1989 Terry Symmetry; 2003 Trek 4700 Mtb; 1983 Vitus 979

  7. #7
    King of the molehills bcoppola's Avatar
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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.
    '04 Giant OCR2|'87 Schwinn World Sport F/G conversion (6,129)|'92 Trek 820 MTB|'85 Schwinn Super LeTour
    "People who spend most of their natural lives riding iron bicycles over the rocky roadsteads of this parish get their personalities mixed up with the personalities of their bicycle as a result of the interchanging of the atoms of each of them and you would be surprised at the number of people in these parts who are nearly half people and half bicycles." - Flann O'Brien, The Third Policeman

  8. #8
    King of the molehills bcoppola's Avatar
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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.




    '04 Giant OCR2|'87 Schwinn World Sport F/G conversion (6,129)|'92 Trek 820 MTB|'85 Schwinn Super LeTour
    "People who spend most of their natural lives riding iron bicycles over the rocky roadsteads of this parish get their personalities mixed up with the personalities of their bicycle as a result of the interchanging of the atoms of each of them and you would be surprised at the number of people in these parts who are nearly half people and half bicycles." - Flann O'Brien, The Third Policeman

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