on 10/11/09 10:50 AM, Seth Vidal at skvi...@gmail.com wrote:

> I have a set of the shiman br550's on my bike right now and I'm not
> terribly pleased with them. They've been fairly persnickety to setup
> and there's lots of annoying brake squeal from the front one. I'm
> curious if maybe I should consider getting a set of the paul touring
> cantis, the tektros or the ird's? Any comments one way or the other?
> I'm a little curious how easy any of these are to setup and get
> 'right' since my experience with the shimano's is not great.
> 
> I also have an old set of mafac tandem cantis that I took off an old
> gitane frame. I guess I could pop those on.
> 
> Any thoughts?

IME, you haven't heard squeal until you've run MAFAC's...

Now, I'll never step in front of someone looking to buy new brakes, but I'd
start by swapping in a new set of pads on the Shimanos. Of course, you'll
want to play with the toe in (which is generally the problem with the MAFAC
design - y'gotta bend 'em to toe 'em).

Then, I'd take a look at the rims - new rims or older, worn rims can be
problematic. A new super-smooth rim can be a real squeaker.  I've had
friends use a scotch-brite pad to give the rim a little "tooth" in that
situation.  Some older rims develop a wave or suface imperfection from years
of riding.

You might also see how much play the Shimanos have - check the torque on the
attachment bolt. 

It also seems like the longer the extension of the pads (i.e. the narrower
the rim relative to the fork blades) the more likely to get squeaks.

- Jim

-- 
Jim Edgar
cyclofi...@earthlink.net

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