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  1. #1
    RFC
    RFC is offline
    Senior Member RFC's Avatar
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    Freewheel options for 1984 Miyata 1000

    This is a continuation of our discussion regarding how best to upgrade my 1984 Miyata 1000.

    One of the suggestions is that I should buy a 7-speed freewheel.

    Nashbar has freewheels for cheap. Are these any good?

    Is replacement simply a matter of spinning off the old one (with a Park tool and chain tool) and putting on the new one?

    Will I have adequate spacing for the 7-speed freewheel?

    Will the stock staghorn deraileur handle the 7-speed on friction mod?

    Thanks as always.

    RFC

  2. #2
    Senior Member cyclotoine's Avatar
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    Yes it should work without any need for respacing.


    You can get an HG chain, freewheel, and derailleur and upgrade to bar end indexed shifting by combining

    these:
    http://cgi.ebay.com/Shimano-RX-100-7...QQcmdZViewItem
    with these:

    found here:
    http://www.rivbike.com/search/run?qu...h#product=none

    but if you are going to stick with friction I would keep it stock.
    1 Super Record bike, 1 Nuovo Record bike, 1 Pista, 1 Road, 1 Cyclocross/Allrounder, 1 MTB, 1 Touring, 1 Fixed gear

  3. #3
    Dolce far niente bigbossman's Avatar
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    I've had poor luck with Nashbar house brand cassettes - don't know it that would translate to their freewheels or not.
    "Love is not the dying moan of a distant violin, itís the triumphant twang of a bedspring."

    S. J. Perelman

  4. #4
    Senior Member
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    Quote Originally Posted by RFC View Post
    Nashbar has freewheels for cheap. Are these any good?

    Is replacement simply a matter of spinning off the old one (with a Park tool and chain tool) and putting on the new one?

    Will I have adequate spacing for the 7-speed freewheel?

    Will the stock staghorn deraileur handle the 7-speed on friction mod?

    Thanks as always.

    RFC
    On my '84 Miyata 610, the rear spacing is 126mm.

    Both a standard spaced six speed Shimano SIS freewheel and a Shimano compatible new Sunrace 7 speed freewheel required 130mm spacing to eliminate chain rub against the drive side drop out when on the smallest rear cog.

    Given that the 4mm of driveside spacers would have required paying to redish the original 40 spoke rear wheel with the real nice Suntour sealed bearings, and weakening it to boot--I stepped back from this path.

    Instead, the original very stout wheelset went to BF member Moki in Winnipeg, and I'm just now getting together a new wheelset with Deore LX 130mm OLD hubs (respaced from 135mm), Mavic A719 rims and double butted spokes. Be still my heart, I can't wait to see this fruit of all those bike flips.

  5. #5
    Senior Member sonatageek's Avatar
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    Nashbar still has new down tube SIS 7 speed shifters for cheap.
    http://www.nashbar.com/profile.cfm?c...s%20%2D%20Road

    Quote Originally Posted by cyclotoine View Post
    Yes it should work without any need for respacing.


    You can get an HG chain, freewheel, and derailleur and upgrade to bar end indexed shifting by combining

    these:
    http://cgi.ebay.com/Shimano-RX-100-7...QQcmdZViewItem
    with these:

    found here:
    http://www.rivbike.com/search/run?qu...h#product=none

    but if you are going to stick with friction I would keep it stock.

  6. #6
    Fattest Thin Man Az B's Avatar
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    Another option; this is my '82 Miyata 610. I shredded a tire on a ride and had a hard time finding a 27" replacement. I decided to try 700c wheels. I found a pair of used Ultegra/Open Pros complete with a cassette for $100. They bolted right up. Some minor tweaking of the derailleur limit screws and the brake pads to position them correctly, and voila, 9 speed downtube friction shift. It was super easy.



    Az

  7. #7
    feros ferio John E's Avatar
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    Quote Originally Posted by Az B View Post
    ... I decided to try 700c wheels. I found a pair of used Ultegra/Open Pros complete with a cassette for $100. They bolted right up. Some minor tweaking of the derailleur limit screws and the brake pads to position them correctly, and voila, 9 speed downtube friction shift. It was super easy.

    Az
    That is an even better idea.
    "Early to bed, early to rise. Work like hell, and advertise." -- George Stahlman
    Capo [dschaw'-poe]: 1959 Modell Campagnolo, S/N 40324; 1960 Sieger, S/N 42624
    Peugeot: 1970 UO-8, S/N 0010468
    Bianchi: 1981 Campione d'Italia, S/N 1.M9914
    Schwinn: 1988 Project KOM-10, S/N F804069

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