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  1. #1
    Tear it all out! SuperModerator
    Reputation: CraigH's Avatar
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    New question here. A2Z Disk Brake Adapter for frames without disk mount, anyone try one?

    Just looking at this adapter http://www.a2zcomponents.com/ada.htm

    DM-UNI
    Features/Benefits:

    * Retrofits" tab-less" bikes with current disc
    brake systems - No need to buy a new bike!
    * No need to have special disc hub - fits most
    brands on the market: DT/Shimano/Sram....
    * Very easy to install - in just a few seconds
    Easy to put on/off your rear wheel as usual
    * No extra adjustments needed.
    * 100% CNC machined.
    * Pretty darn light
    Recommended for aluminum alloy frame
    Weight: 123g


    Anyone try one? Comments?

    How about using it on an older Ti HT frame?

  2. #2
    It's all ball bearings
    Reputation: gopriest31's Avatar
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    Depends on your dropouts

    I bought one with aspirations of fitting it to my trek 8000- No dice- It really will only "bolt on" if you have flat droputs. I knew I would have to modify it to get it onto my frame (by notching the outer metal plate to clear my chain and seat stays where the attach to my dropout) But, by the time I got it close, there was very little material left. It never made it onto my bike- its collecting dust on my bench now

  3. #3
    Tear it all out! SuperModerator
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    Thanks for the info. The drop out is flat, but now I'm wondering if there is space for it.

    I'll have to see if I can find one locally to try it.

    Anyone in the Vancouver area seen one of these at a LBS or a LBS who sells A2Z?

  4. #4
    Don't touch me!
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    I currently use one of those.

    Your frame will play an integral role in how well everything mates. On my '99 Schwinn Moab, the adapter makes the caliper sit a little higher than it should. The result is some brake pad lippage. Don't know if it will be a problem or not; it hasn't been for the last 4 months.
    [SIZE=3]No offense to KB, but if I see another "Strong, light, cheap. Pick two" line on this site...

    [/SIZE][SIZE=1]MCM# eleventy billion

    [SIZE=2]No offense to thieves, but if I see another "Ride it like you stole it" line on this site...[/SIZE]
    [/SIZE]

  5. #5
    Tear it all out! SuperModerator
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    Any chance you could take a photo of your installation?

    The photo on their site isn't that great.

    Where did you buy it?

  6. #6
    Don't touch me!
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    Quote Originally Posted by CraigH
    Any chance you could take a photo of your installation?

    The photo on their site isn't that great.

    Where did you buy it?
    Got it at an lbs, had a gift certificate laying around doing nothing. Theres a few on eBay right now, along with a different styled adapter that hooks up to the canti boss.
    Attached Images Attached Images
    [SIZE=3]No offense to KB, but if I see another "Strong, light, cheap. Pick two" line on this site...

    [/SIZE][SIZE=1]MCM# eleventy billion

    [SIZE=2]No offense to thieves, but if I see another "Ride it like you stole it" line on this site...[/SIZE]
    [/SIZE]

  7. #7
    Tear it all out! SuperModerator
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    Thanks! That looks like it would work with the drop out on my old Cove Hummer.

    I've got an email into the Cdn distributor & a company in Vancouver that used to sell A2Z trying to find out where to get one, but haven't back from either yet.

  8. #8
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    Reputation: Reek's Avatar
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    Tried one and it's ok but

    There are issues with the adapter. As stated above, the drop out has to be flat. Then there's the issue of will it bolt on straight or "tilted" so the caliper is mounted a bit askew compared to the rotor.

    The inner block of aluminum really has to abut your frame so it doesn't flex and squeal like no tomorrow. and once you do get it braced against your frame, expect it to leave a nice little nick or gouge in the tubing.

    Finally, check and see if the rear wheel/disc hub with a 6 inch rotor can even clear your chain stays. Some pre-disc frames have chainstays that are narrower or "tucked in" infront of the rear drops. The adapter may mount ok but if you can't mount a rotor, forget it.

    Sounds all negative but I actually used one for a while on an old Infusion MXC pro hardtail I really didn't want to give up just because it didn't have disc tabs. So I put up with the squealing and poor alignment. Saved my frame from being sold. Now the frame is sitting in my garage, stripped down and as an ornament of earlier years of mountain biking.

    REEK

  9. #9
    Tear it all out! SuperModerator
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    Thanks for the info. Good point about checking the disk clearance. I'll throw a disk wheel with a rotor mounted up in the frame to make sure it clears before I go any farther.

  10. #10
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    Used on two bikes

    Worked well one old Fisher Joshua, Mountain Cycles Moho required much modification to adapter. Like said before, depends on rear dropout. Jim

  11. #11
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    Quote Originally Posted by CraigH
    Thanks! That looks like it would work with the drop out on my old Cove Hummer.

    I've got an email into the Cdn distributor & a company in Vancouver that used to sell A2Z trying to find out where to get one, but haven't back from either yet.
    Craig let me know when you find out if this Cdn distributor still deals with A2Z....
    I need to convert my wifes KOna to disc ... she has the rear disc wheel already, just need the adapter.

    Denis

  12. #12
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    Yes, they do. I have one on order at a LBS on the NS, which arrived this week. Will be trying it on my frame tomorrow. Price is $60 Cdn.

  13. #13
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    Quote Originally Posted by CraigH
    Yes, they do. I have one on order at a LBS on the NS, which arrived this week. Will be trying it on my frame tomorrow. Price is $60 Cdn.
    Which LBS? I'm working on the NS Monday and Tuesday.

  14. #14
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    North Shore Sports Swap at the bottom of Mtn Highway in NV.

    Apparently Atomic Bikes off Granville in Vancouver also sells A2Z parts.

  15. #15
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    Quote Originally Posted by CraigH
    North Shore Sports Swap at the bottom of Mtn Highway in NV.

    Apparently Atomic Bikes off Granville in Vancouver also sells A2Z parts.
    Ok I know where that is... I rehearse in North Van on Hunter St which isnt far away... and I have a van too now( company van).

  16. #16
    Doesntplaywellwithmorons!
    Reputation: DeeEight's Avatar
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    Quote Originally Posted by CraigH
    Thanks! That looks like it would work with the drop out on my old Cove Hummer.

    I've got an email into the Cdn distributor & a company in Vancouver that used to sell A2Z trying to find out where to get one, but haven't back from either yet.
    I've still got a few in stock. Sold one just a month ago as it happens.
    I don't post to generate business for myself or make like I'm better than sliced bread

  17. #17
    Tear it all out! SuperModerator
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    I picked it up yesterday. They don't have any more in stock, but will order one for you if you want to try it on the frame.

    The outer plate will require about 5 min. work with a grinder to get it to clear the weld where the chainstay end is welded to the drop out.

    I can forward you the email with all the other BC dealers if you want it. Let me know.

  18. #18
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    Quote Originally Posted by CraigH
    I picked it up yesterday. They don't have any more in stock, but will order one for you if you want to try it on the frame.

    The outer plate will require about 5 min. work with a grider to get it to clear the weld where the chainstay end is welded to the drop out.

    I can forward you the email with all the other BC dealers if you want it. Let me know.
    Yeah sure Im up for it... BTW what's a "Grider'?

  19. #19
    Tear it all out! SuperModerator
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    Adapter is no longer listed on the page above, only on their old page:
    http://www.a2zcomponents.com/OLD-web/Adapter/adap01.htm

    Maybe A2Z has discontinued this adapter?

    Was just talking to co-worker about this part.

  20. #20
    ...idios...
    Reputation: SteveUK's Avatar
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    Hong Kong Bikeshop has these adaptors.
    Peace,
    Steve
    .
    .


    What luck for rulers, that men do not think - Adolf Hitler

  21. #21
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    A2Z universal brake adaptor!

    Great posts! Love the pictures! I just purchased one of the adaptors for my old Trek Y-22. Found it on ebay and the guy has a few of them, so if your looking his seller name is: discbrakeadapters he had them reasonably priced for $39 and thats with shipping. Looking forward to giving it a try. Will try and post some pictures when im done. Thanks

  22. #22
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    Quote Originally Posted by zburt
    Great posts! Love the pictures! I just purchased one of the adaptors for my old Trek Y-22. Found it on ebay and the guy has a few of them, so if your looking his seller name is: discbrakeadapters he had them reasonably priced for $39 and thats with shipping. Looking forward to giving it a try. Will try and post some pictures when im done. Thanks
    did that adaptor work on your trek y-22?

  23. #23
    Riding or Fishing
    Reputation: musky's Avatar
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    http://cgi.ebay.com/A2Z-Universal-Re...742.m153.l1262
    Ships out of Toronto. I've picked up a few things from them before with no issues at all.
    Just thought I'd share.

  24. #24
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    Didn't know about this part.Thanks for the tip.

  25. #25
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    Brake Therapy also makes a part for this (was talked about on the forums)

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