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  1. #1
    Senior Member bellweatherman's Avatar
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    Is there a way to mount disc brakes on a old mtb frame that doesn't have disc mounts?

    Is there a way to mount disc brakes on a old mtb frame that doesn't have disc mounts? I've got an old mtb that has brake mounts for v-brakes, but I want to join the disc brake revolution.
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  2. #2
    ಠ_ಠ DevilsGT2's Avatar
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  3. #3
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    By "old MTB" im guessing steel, so just go to a local machine shop and get them to weld a plate with 2 holes drilled in it to the frame. Old MTB are rarely lightweight anyway and that brake therapy thing looks somewhat... ghetto.
    elf 232 contra mundum.

  4. #4
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    they have a cleaner way to do it also,
    I'm trying to find it again.
    Its just a bolt on brake mount.
    you can hardly tell.

  5. #5
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    Yea that was kinda my thought, you could definetly make something that looks alot cleaner than those brake therapies, its just another object that a stick can hold onto while ripping out spokes.
    elf 232 contra mundum.

  6. #6
    Hardrocker
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    This needs to be made into part of the sticky. It's been asked quite a few times.

  7. #7
    ÖöÖöÖöÖöÖö Dannihilator's Avatar
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    I'll think about it.
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  8. #8
    Whistler-bound dminor's Avatar
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    Cleanest way to do it on a steel bike is a Henry James braze-on or weld-on disc bracket. Then you need to weld or braze in a small triangulating tube between the seatstay and chainstay to reinforce the seatstay. It's very sano but you need to be able to weld or braze.

  9. #9
    Svr
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    Quote Originally Posted by Cheeto View Post
    they have a cleaner way to do it also,
    I'm trying to find it again.
    Its just a bolt on brake mount.
    you can hardly tell.
    It's the A2Z adapter - http://www.a2zcomponents.com/OLD-web/Adapter/adap01.htm

  10. #10
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    ^^ different from the one I saw, but basically the same concept.

  11. #11
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    Quote Originally Posted by Svr View Post
    This would be my vote too. The thing is that if you track ebay for a while you could buy a nice used steel frame and just swap the parts. Ti is different because of the $ involved.

  12. #12
    Too Much Crazy C Law's Avatar
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    rock the mullet.

  13. #13
    Soma Lover
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    I was quoted about $75 to have an aluminum one welded on to my old GT backwoods by a framebuilder who works with the LBS.

  14. #14
    DNPAIMFB pinkrobe's Avatar
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    Quote Originally Posted by DevilsGT2 View Post
    Ooooh! I was riding with a guy who snapped off his canti stud with one of those. Sheared it clean off, and almost nailed a tree. He warrantied the frame and got a brand new Marin - with disc tabs.
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  15. #15
    World's slowest cyclist.
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    Why not just put on a disc compatible fork and stick with the old V rear? The rear brake doesn't do much anyways.

    Quote Originally Posted by cachehiker View Post
    I was quoted about $75 to have an aluminum one welded on to my old GT backwoods by a framebuilder who works with the LBS.
    I don't think welding to an aluminum frame is a good idea.

  16. #16
    Whistler-bound dminor's Avatar
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    Quote Originally Posted by Chris_F View Post
    I don't think welding to an aluminum frame is a good idea.
    Since it was a framebuilder who gave him the quote I think there is less of a concern there. They tend to know what they are doing.

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