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Cantilevers: Quick Adjust for Rim Width?

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Old 03-22-06, 03:17 PM
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Cantilevers: Quick Adjust for Rim Width?

I am stuck with almost no space for a few months and I had to put all my bikes in storage with the exception of one, my 2001 Bianchi Volpe. I just built a set of wheels with narrow rims [Sun ME14A / Ultegra 6500 hubs f/r 3x all around] which I threw on the Volpe when the weather was looking decent, and they make the bike very pleasingly quick, and I was even able to dial in the Avid Shorty brakes for acceptable performance However, I would love the flexibility to move back and forth on short order to my T221 rims on which I mount Vittoria Randonneurs or WTB All-Terrainasaurus.

I understand that there are inline adjusters made that may make this task a bit less annoying but when I asked some LBS folks (admittedly at some unhip LBSs) they stared blankly. Can someone tell me of a specific adjuster - name would be helpful - that will allow me to accomplish my presto change-o?

Thanks a great deal for reading the question, forumites.
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Old 03-22-06, 04:04 PM
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https://www.loosescrews.com/index.cgi...d=895628428825

I installed these not long ago. However, they still don't let me easily switch between narrow road rims and wide cross rims because the brake pads contact in the wrong places.
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Old 03-22-06, 05:21 PM
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Thanks enduro; those are just like the "Jagwire" brand that I have as der adjusters on another bike. I had thought of them but had imagined that they might be too flimsy for brake cable use. My perception of brake cable tensions is that they can far exceed derailleur cable tensions.
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Old 03-22-06, 06:42 PM
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My 2005 Jamis Aurora came from the factory with those jagwire inline brake adjusters installed. i've experienced no probelms with them. These inline adjusters from nashbar look almost like the jagwire ones, but they're half the price.

EDIT:

The same bike came with Jagwire Rocket cable adjusters for the STI shifters.

The Jagwire website doesn't mention using any of their inline adjusters on brakes, but I've had no problems so far. I bought the bike as a 2005 leftover, so I assume that there were no recalls, etc. The Nashbar ones mentin that they can be used on brakes or derailers

Last edited by spunkyruss; 03-22-06 at 06:52 PM. Reason: I forgot to add something
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Old 03-22-06, 06:51 PM
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Originally Posted by tvphobic
I am stuck with almost no space for a few months and I had to put all my bikes in storage with the exception of one, my 2001 Bianchi Volpe. I just built a set of wheels with narrow rims [Sun ME14A / Ultegra 6500 hubs f/r 3x all around] which I threw on the Volpe when the weather was looking decent, and they make the bike very pleasingly quick, and I was even able to dial in the Avid Shorty brakes for acceptable performance However, I would love the flexibility to move back and forth on short order to my T221 rims on which I mount Vittoria Randonneurs or WTB All-Terrainasaurus.

I understand that there are inline adjusters made that may make this task a bit less annoying but when I asked some LBS folks (admittedly at some unhip LBSs) they stared blankly. Can someone tell me of a specific adjuster - name would be helpful - that will allow me to accomplish my presto change-o?
The Jagwire inline adjusters will work for the cables (and they are perfectly satisfactory for brake applications) but this won't really solve your problem.

Cantilever brake pads move in a downward arc, so if you try to make these work for both sets of rims by just fiddling the cable length, the shoes will either hit too low on the narrower rims, risking a dive into the spokes, or too high on the wide rims, risking rubbing on the tire sidewalls.

Shimano V-Brakes with the "Parallel Push" linkage could work for this, but that's a pretty drastic solution, since they aren't compatible with your present brake levers.

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Old 03-22-06, 07:30 PM
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Yep, that's exactly the problem I've encountered. Could you use narrower brake pads so that the contact area is smaller, and it might be possible that they'd contact in a reasonable spot on both rims? Do such brake pads exist?

BTW Sheldon, that quote is brilliant.
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