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Old 04-27-2011, 07:57 PM   #1
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Ashton/Diamondback Effect rear disc caliper options?

Hoping someone else is lurking on this forum that may have some experience here. Grabbed an effect frame/fork because the deal was just too insane. Was hoping to run rear disc, but from what I've found on the interwebs, I likely need to run a hope caliper due to clearance issues.

Does anyone have this frame that's tried to fit any other rear disc calipers? Would love to hear what you've found out. Frame is in the mail.. so.. soon I can start experimenting with the calipers I have (mostly avid mech's and shimano hydros, and an old marta sl that sucked so bad I couldn't even stand it on the front of a mod) I'd love it if i could somehow sneak a avid mech in there, but don't expect that to be a possibility.

Hoping I can get a few out of the woodwork that have some experience with this frame.

Thanks in advance.

(oh, and if anyone has a rear hope mono trials they want to get rid of.. PM me.. )



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Old 04-27-2011, 08:53 PM   #2
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I have sd-5 V's with a salsa booster and heat sinks. With a good grind, this set-up grabs like crazy. This is my first trials bike so I'm comparing it to my XC and road bikes though. Are you going disc to fit 26"? I bought mine lightly used and nicely upgraded from stock tarty 24" set-up.



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Old 04-27-2011, 09:14 PM   #3
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I have that frame and it only was able to fit a #3 Hope caliper with 180 rotor. Its so compact in the frame that its impossible to run a avid or any post mount brake.

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Old 04-28-2011, 01:07 AM   #4
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Breakoutstout (phil) has or had, some kind of disc adapter that might be worth looking into. I can't find thread but I know I've seen it.

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Old 04-28-2011, 04:02 AM   #5
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Quote:
Originally Posted by ZMaeda View Post
I have that frame and it only was able to fit a #3 Hope caliper with 180 rotor. Its so compact in the frame that its impossible to run a avid or any post mount brake.
Ditto that. This was on my KOT by the way (same dropout). You'd also need to route the main hose into the bleed nipple port, and put a normal cap head bolt over where the hose used to go in
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Old 02-29-2012, 08:47 AM   #6
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Sorry to revive an old thread.. but i finally got my hands on a rear #3 caliper... so...

Zmaeda and thetart20, do you have pictures of your setups? I'm curious where you got the fitting for the bleed port, and the cap for the main port. Was this standard hardware I could order from somewhere?

I mocked it up, and without changing the ports, I'd need to cut out the frame support, so I need to work a solution similar to what Zmaeda discribes.

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Old 02-29-2012, 02:39 PM   #7
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does this help?

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Old 03-01-2012, 02:19 AM   #8
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That's the other way to do it, yep

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Old 03-04-2012, 07:23 PM   #9
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wow, stock, was there any bending involved? I thought i rotated it that way and still didn't think it was going to work. Will go and try again.. that'd be an easier solution than changing fittings. thx!

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Old 03-04-2012, 09:00 PM   #10
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shouldnt be. worst case scenario you may have to buy a 30degree banjo for the caliper.

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Old 03-05-2012, 02:24 AM   #11
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It is very close - the bracing bar for the production frame moved closer to the dropout by accident, you may have to file a few bits to get them to clear.

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Old 03-08-2012, 08:42 PM   #12
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I have an Ashton and wanted to try hydro. But being that limited in choice kinda sucks. Only place I found that caliper was onli e for over 200 just for rear

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Old 03-09-2012, 10:14 PM   #13
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Tried and failed.. no angle will fit, and significant filing would need to be done. So much so that I think i'd lose 90% of the bracing bar, or dig into the tube if I chose to go vertical. Does anyone have the details on the bango fitting size and how I might find a bango that exits at a different angle? heck.. i just need a really deep crush washer and a longer bango bolt...

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Old 03-10-2012, 05:20 PM   #14
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http://www.cambriabike.com/shopexd.asp?id=48685
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Old 05-02-2012, 03:47 PM   #15
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Quote:
Originally Posted by stocktrials View Post
does this help?

What model is your rear disk brake? I have the effect frame too, and they have stopped manufacturing the hope tech trial brakes in the +20 mount #3 caliper. Im not gonna go down in power from my magura hs33 but it doesnt fit. Anyone know if the trial zone caliper fits????
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Old 05-02-2012, 04:15 PM   #16
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The only thing that fits is that specific #3 caliper.

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Old 05-04-2012, 03:38 AM   #17
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Ok, seems pretty sad TartyBikes is still selling the frame with not really any option other than V-brakes for the rear....

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Old 05-04-2012, 03:47 AM   #18
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Hope stopped making that brake, rather than us not ordering it any more. It's still possible to buy #3 Calipers separately, so if you definitely want to use a rear disc brake you can make a brake up to do so even if there isn't a pre-built brake to suit.

It makes more sense for us to still sell the frames we have in stock rather than not selling them and have them sit on shelves in our warehouse...

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Old 05-04-2012, 04:04 AM   #19
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oh its great

responses very good! )

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Old 05-04-2012, 07:05 AM   #20
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