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  1. #1
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    Disc Brakes on Newton Gravity FS with no caliper attachment

    Hi, I've got a Newton Gravity FS Mountain Bike. It's pretty old so it doesn't have the disc brake attachment holes. I had to replace my wheel about a month ago, and ended up getting a wheel with the disc attachment for disc brakes from REI. Now that I have that, I am interested in upgrading from V-brakes to disc brakes.

    Now, there is an attachment point on the frame, but it is a lot smaller than the normal disc brake mounts. I'm trying to figure out what kind of adapter I will need to buy. I found something on ebay: http://cgi.ebay.com/New-Bike-Rear-Di...3286.m20.l1116.

    Will that ebay item work on my bike (see attached pictures), or if not, do you guys have any recommendations?

    Thanks!
    Attached Images Attached Images

  2. #2
    ed
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    That's for a rack and panniers


    You need this




  3. #3
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    ok, that makes more sense than the rod thing.

  4. #4
    Senior Member yellowjeep's Avatar
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    No need to have special disc hub - fits most brands on the market
    ??
    When in doubt, style it out.

    How to post full size pictures

  5. #5
    B A N N E D
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    Quote Originally Posted by chelboed View Post
    That's for a rack and panniers
    No it isn't, that attachment on ebay is for putting a disc brake on on a non disc frame.

    It's a similar disc brake converter to this one: http://www.therapycomponents.com/conversion.htm

    and another similar converter from different brand: http://www.woodmancomponents.com/catalog/categorie.php?cat=dis&lang=en

    Some Kona bikes have this type of attachment on them:

    Kona D.O.P.E. System: http://www.konaworld.com/dope.htm

    Kona Stinky with D.O.P.E. System: http://www.konaworld.com/09_stinkydeluxe_en.cfm
    Last edited by cobba; 01-26-09 at 08:04 AM.

  6. #6
    ed
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    Oh...I mis-read the post. I didn't even notice his link. DOH!

    I thought he was talking about the "double hole" tabs on the frame.

  7. #7
    Old School Rad mtnbiker66's Avatar
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    Quote Originally Posted by chelboed View Post
    Oh...I mis-read the post. I didn't even notice his link. DOH!

    I thought he was talking about the "double hole" tabs on the frame.
    +1....I got a kick out of that one.
    Like a circus monkey on a stolen Harley......

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