Please help me find the cantilever brake divider for 1990 Koga Miyata RidgeRunner- Mtbr.com
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  1. #1
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    Please help me find the cantilever brake divider for 1990 Koga Miyata RidgeRunner

    Hi,

    I am restoring my 1990 Koga Miyata Ridgerunner. I found pretty much all parts, except that round brake divider.

    I found an image of restored Koga:
    https://fotos.mtb-news.de/p/397278

    Can anyone help me identify the round part?

  2. #2
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    It looks like a Shimano Link-Wire carrier, or a copy of one. It has been superseded by the modern link wire.

  3. #3
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    The bike has Shimano Deore XT otherwise

    could this be it?
    https://www.ebay.com/itm/Shimano-DEO...S/303486252879

  4. #4
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    Certainly looks like it, but it is missing the link wire (double-ended wire of a specific length). That is a separate piece, and you need to do some research (measuring, really) to figure out which length you need.

  5. #5
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    I am having some difficulty finding an original link wire. It has 3 cylinders..

  6. #6
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    Quote Originally Posted by calimeo View Post
    I am having some difficulty finding an original link wire. It has 3 cylinders..
    https://www.ebay.com/i/233190030905?chn=ps
    https://www.ebay.com/i/233190030957?chn=ps

    Two examples from one vendor--not clear if it is just the wire, or also the straddle carrier, but there it is.

  7. #7
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    thanks for helping me search.
    I think the original link has 3 equal cylinders. Not the elongated middle part:
    http://www.retrobike.co.uk/forum/dow...e.php?id=50638

  8. #8
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    The straddle link-wire itself is not super important, unless you are going to a 100% faithful reproduction. You can get any two-ended straddle wire that is the right length to fit. For that matter, the one in the picture you posted isn't the original, as that would have 'SHIMANO' molded into the central span of wire (which pulled double-duty as the thing that you grabbed to open the brake).

    You can also use the modern "1-piece" version of the link wire. Almost every shop I've ever walked into has tons of 'A's or 'B's. 'C' and 'D' are less common/no longer manufactured, if you need the wider stance (which you shouldn't for low-profile cantilevers).


  9. #9
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    I found another image:
    https://cdn.shopify.com/s/files/1/23...70730131014837

    Based on this I believe the link has 3 equal cylinders.
    But ahd not much luck finding one yet.

  10. #10
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  11. #11
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    BTW. What brake cable does this bike have? I am assuming some sort of Shimano. In the spirit of keeping things original...

  12. #12
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    A friendly ping.

    What brake cable do I need to match the bike and time area (1994)? The brake handles are Shimano SLR STI, I found an image:
    https://forums.mtbr.com/attachments/...r-100_1125.jpg

    The outer brake housing does not have any markings. But I might be able to use the outer housing and just get a new inner.

  13. #13
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    I would assume Shimano M-system housing, and whatever generic MTB brake cable they are still making (which would pretty much be it. I think they make galvanized and stainless.). M-system housing and the current crop of stuff for road bikes are more or less identical. The road stuff is slightly stiffer, the M-system is a bit more flexible.

  14. #14
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    Quote Originally Posted by wschruba View Post
    I would assume Shimano M-system housing, and whatever generic MTB brake cable they are still making (which would pretty much be it. I think they make galvanized and stainless.). M-system housing and the current crop of stuff for road bikes are more or less identical. The road stuff is slightly stiffer, the M-system is a bit more flexible.
    Thanks. Would this match then?
    https://www.ebay.com/itm/Shimano-M-S...0AAOSwOmBecCkP

  15. #15
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    That certainly looks like it. Since it isn't retail packaging, perhaps buy some ferrules/cable ends--you don't know/it isn't clear what comes with it. Shimano does sell a 'retail' package of M-system stuff with two lengths of cable, housing, a handful of ferrules, and two cable ends.

  16. #16
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    Quote Originally Posted by wschruba View Post
    That certainly looks like it. Since it isn't retail packaging, perhaps buy some ferrules/cable ends--you don't know/it isn't clear what comes with it. Shimano does sell a 'retail' package of M-system stuff with two lengths of cable, housing, a handful of ferrules, and two cable ends.
    I guess, then this kit woudl do the trick.
    https://www.nashbar.com/shimano-mtb-...CABEgK0bvD_BwE

    I only need about 15" of sleeve and maybe 30" cable. However, it comes with all ferrules/cable ends so I can customize.
    I noticed that his cable has some markings. My original brake cables do not.

  17. #17
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    Quote Originally Posted by calimeo View Post
    I guess, then this kit woudl do the trick.
    https://www.nashbar.com/shimano-mtb-...CABEgK0bvD_BwE

    I only need about 15" of sleeve and maybe 30" cable. However, it comes with all ferrules/cable ends so I can customize.
    I noticed that his cable has some markings. My original brake cables do not.
    Even then, bike companies cheaped out where they could get away with it. They would often use cables/housing from other manufacturers because it was cheaper.

  18. #18
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    Quote Originally Posted by wschruba View Post
    Even then, bike companies cheaped out where they could get away with it. They would often use cables/housing from other manufacturers because it was cheaper.
    I pulled the other (original) brake cable. It looks like that the brake handle end has a plastic sleeve. The cable itself is 2mm.

    The plastic sleeve measures about 7.9mm. The inner cylinder maybe about 5mm (I didn't remove the plastic sleeve)
    Attached Thumbnails Attached Thumbnails Please help me find the cantilever brake divider for 1990 Koga Miyata RidgeRunner-img_0448.jpg  


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