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  1. #1
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    Brake Adaptor for 1999 Intense M1

    I've run into a dead-end here. Anyone know if there is a mounting adaptor made to install new brakes on to an old M1 frame. I have Hayes Dyno Comp brakes and 6 inch rotors. I would like to use the original 8" rotor up front.

    Anybody have any beta on where to get the appropriate adaptor?Brake Adaptor for 1999 Intense M1-intense-m1-2.jpgBrake Adaptor for 1999 Intense M1-intense-m1-1.jpg

    *Edit* The adaptor for the fork doesn't fit current Hayes brake models (or any manufacturer brake models for that matter!).

  2. #2
    rebmem rbtm
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    On the rear you'll need to use 2 adapters to fit a post mount brake caliper.
    You'll need a a2z AD-PMR adapter to attach to the frame and then you'll need a PM to IS adapter to attach the brake caliper to the a2z adapter.
    http://www.a2zcomponents.com/02products_04adapter_05.html

    This adapter + something like this adapter.

    Front 6" / 160mm IS adapters = Rear 5" / 140mm IS adapters but IS mounts on forks are spaced for a minimum rotor size of 160mm while IS mounts on frames are spaced for a minimum rotor size of 140mm.
    The a2z AD-PMR adapter increases the rotor size by 20 to 25mm
    Possibly with the 2 adapters I linked you'd be able to use a 160mm rotor on the rear, maybe you'd have to use a 180mm rotor, it depends on what size rotor you're using with the 22mm caliper .

    If you currently use a 160mm rotor on the back with the 22mm caliper then I'd say that the minimum rotor size that you could use with the 2 adapters would be 180mm.



    What's the center to center bolt hole measurements for the adapter on the fork ?

    If it's 74mm then you might just need a PM to PM adapter.
    180mm PM to PM adapter
    203mm PM to PM adapter

  3. #3
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    Thanks Cobba! The center to center is something like 68mm for the fork adaptor. I think I'll need to replace it with the a2z adaptor as well. Is a2z the only company making this adaptor?

  4. #4
    rebmem rbtm
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    Quote Originally Posted by sjstumbo View Post
    Thanks Cobba! The center to center is something like 68mm for the fork adaptor. I think I'll need to replace it with the a2z adaptor as well. Is a2z the only company making this adaptor?
    Hope used to make one but the 22mm mounts were phased out over 10 years ago so I don't think that you'll find one of those for sale.

    That a2z adapter I previously linked won't won't work on your fork, the fork mounts are 90 degrees different to the frame mount.

    69mm is the old Manitou post mount standard.

    To fit a post mount caliper you'll need to attach a a2z AD-PMF69 adapter to the current 69mm adapter and then add a PM to IS adapter like with the rear mount.

    http://www.a2zcomponents.com/02products_04adapter_03.html

    http://www.woollyhatshop.com/Brake-Spares/Disc-Brake-Adaptors/A2Z-69mm-Manitou-Mount-to-IS-Disc-Brake-Caliper-ADPMF69/prod_40.html

    The a2z AD-PMF69 adapter increases rotor size by 20mm so to use a 203mm / 8" rotor you'd need to use a 180mm / 7" PM to IS adapter too.

    http://www.chainreactioncycles.com/Models.aspx?ModelID=17390

  5. #5
    rebmem rbtm
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    The following adapter looks liker it'd fit on the frame and fork.

    http://www.mountainbikecomponents.co...tense+M1+Mount

    Some more: http://waldmeissler.de/fahrradteile-bremsadapter.html
    Last edited by cobba; 05-15-2014 at 11:52 PM.

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