On 06/10/2016 05:59 AM, Michael Hechmer wrote:
This is true. My wife, Pat, has a Betty Foy, and now my daughter,
Suzanne, has a Chevy-ut. The fender width on these frames is limited
by the brake width. P45's just fit, in fact with the QR open the
fender is forced down onto the front tire. Pat got the demo Betty and
it came withP45s and the Fatty Bumpkin tires, which are 41 mm. They
just barely fit and the slightest misalignment caused them to rub. I
ended up putting the 41s on my Saluki, which has canti brakes & big
VO fenders. I gave Pat my 38mm Marathon Racers and they fit fine.
Tires bigger than than 38 pretty much need cantis or V brakes.
*Compass claims that their CP will go wider but they require unique
studs.* I see that GP has designed the Clem for bigger posted brakes,
which make more sense. I would rather spend the extra setup time on
good cantis than deal with a too tight brake-fender-tire combo.
That's not a "claim," it's fact.
The Compass centerpull can be thought of as a Mafac RAID version 1.1.
The RAID was available in a bolt-on version, and I have that brake on my
Kogswell P/R. With the straddle cable Q/R undone, it opens wide enough
that you never even notice the brake removing and replacing a 42mm
Hetre. The pivots are Mafac centerpull pivots, and if you have a pair
of RAID backing plates you could mount Compass brakes on any bike set up
for bolt-on centerpull brakes, so the studs aren't quite as "unique" as
your statement makes them sound. Thanks to the availability of the
Compass centerpull, the price of Mafac RAIDs on ebay has stopped its
meteoric rise; I just checked, and there's one set available right now
complete with levers for $150 BIN, and another NOS for $299. Compass
makes the bushings, etc. available, so if someone wanted to, they could
buy a set of RAIDs on ebay (all of which I've ever seen come with
backing plates) and bring them up to the level of the Compass brakes.
Bottom line: if you're looking for a brake for your Rivendell that can
easily fit a tire the width of a Hetre, Mafac RAID centerpulls are a
viable option.
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