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Dremel + vintage Dura Ace Brakes

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Dremel + vintage Dura Ace Brakes

Old 08-03-16, 07:39 PM
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Dremel + vintage Dura Ace Brakes

Gotta remove some material from the underside of my 1986 Front & Rear rim brakes to fit 28c's .. .. .. Thoughts ?

Has anybody here done this before?

The alternative would be to order brand new Dura Ace front & rear BR9100's which clear 28's .. .. .. but they'll clash w/ everything else.
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Old 08-03-16, 10:02 PM
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That part of the caliper arms is pretty heavily stressed, and therefore... potentially... overbuilt... maybe?

Just thinking out loud here. I don't know the brakes you are working with.

Got pics? How much material removal are we talking about? Obviously, if you take too much off they'll snap like matchsticks the first time you have a panic stop. That would be pretty exciting!
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Old 08-03-16, 10:42 PM
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I think that cutting material off a lightweight part which relies on rigidity and strength to save your life on a regular basis sounds like a death wish.
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Old 08-03-16, 11:15 PM
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I've done it with a half-round file to fit bigger tires under my RX100 calipers. No issues so far, but it was only a millimeter or two in my case.
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Old 08-03-16, 11:29 PM
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Personally, If I had to file the brakes to fit the tire size I want to use I'd be looking for another frame.
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Old 08-04-16, 03:25 AM
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Gotta remove some material from the underside of my 1986 Front & Rear rim brakes to fit 28c's .. .. .. Thoughts ?
Not a good idea, in my opinion.
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Old 08-04-16, 03:37 AM
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Destructive measures to fit something that isn't supposed to. Vintage parts are fewer and fewer, don't ruin another great brake set please.
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Old 08-04-16, 03:59 AM
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Old 08-04-16, 05:06 AM
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I wouldn't do it.
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Old 08-04-16, 05:28 AM
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I guess it depends on how much material and where, exactly. I'm guessing you mean right between the tire and the pivot bolt, which is not a good place to be removing material. The wheels are 700c?

I doubt a newer brake will give more clearance. Dual pivot brakes tend to hang lower from the pivot bolt than older single pivot calipers.
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Old 08-04-16, 06:50 AM
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Another NO, I would not be carving off material from brakes for any reason. There is probably isn't too much wasteful material on the arms that would be safe to be taking off. Maybe someone with some knowledge about your specific brake-set can offer some safe way, but I would not ever suggest doing this. I've seen the various drillium done to brake arms of different makes, they always make me cringe. Maybe I am overcautious, but that is my story, and I am sticking to it.

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Old 08-04-16, 12:09 PM
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^^^Amen and NO
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