Adam - 

There are an awful lot of variables in that equation...

Unless you are a big guy and running the bike with a lot of additional
baggage, the Silvers and/or the Pauls should stop you, if properly set up.

First off - 

If you are talking about lever feel, "Spongy" brakes actually have plenty of
power.  When they feel hard at the levers, you have to put more power in to
get the same amount of power out - AASHTA (As Always, Sheldon Had the
Answer)

http://sheldonbrown.com/cantilever-geometry.html

(though it is ostensibly about cantilever brakes, the "Mechanical Advantage"
section applies to lever travel, braking power and related topics)

The first place I'd actually look is at those levers.  If you are running
DuraAce, does that mean you have brake/shift combined levers?  If so, there
are a few places that you can introduce play in the system, starting with
how the cable sits into the slot in the levers.  You also have to make sure
there's no gap between the housing and the brake body.

I'm really suprised that you were hittlng the bars without slowing.  On my
Hilsen setup (with aero Shimano brake levers and Silver brakes), I've got a
good inch and a half gap when applied and maybe an inch under a full gorilla
grip. 

As others said, I'd check that you have the correct housing.  And, what the
heck, the cables are correct, right?  Sometimes I've seen mis-marked
packages, or cables with undersized/oddly shaped ends that won't seat
properly or drop in too far.

You don't want to run a travel agent. You shouldn't need to run a travel
agent for a set up like you have. To be brutally blunt, if the mechanic
actually suggested that, I'd consider looking for another opinion.

I also find it odd that he thinks the problem might be with flex in the
brake itself.  That's one thing I have not really heard Paul brakes accused
of.  How high do you have the yoke set?  IIRC, recommended height is 1-2"
above the brake arms.

The last comment about flex at the cable stop is a bit confusing.  You
really shouldn't be seeing any flex until the brake pads are firmly down
against the rim. At which point, you should be stopping pretty effectively.
Do you mean there's a lot of friction when you are pulling the levers,
before the pads hit the rim?

Once you get the lever issues and setup variables out of the way, then the
only other advice I'd offer is that the salmon pads or the half/half
salmon/black pads seem to work best for me. But, it doesn't sound like the
pad compound is really the issue.

hope that helps a bit,

- Jim

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

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