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From: Frank Krygowski <frkrygow@sbcglobal.net>
Newsgroups: rec.bicycles.tech
Subject: Re: Extensive article on Rivendell and Grant Petersen
Date: Wed, 25 Sep 2024 15:28:59 -0400
Organization: A noiseless patient Spider
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On 9/25/2024 11:40 AM, AMuzi wrote:
> 
> Current selection BTW:
> https://www.yellowjersey.org/SINGLEPV.JPG
> plus these:
> https://www.yellowjersey.org/spmxgrey.jpg
> 
> Nothing wrong with V brakes or cantilevers, but people do have their 
> preferences and there are tradeoffs so the selection is and has been 
> quite broad.

Yep. The fundamental problem, if the brake is to be mounted to the fork 
crown, is that a sidepull must have arm lengths at least vaguely 
proportional to tire size. That reduces the mechanical advantage of the 
caliper, requiring more hand force for a given deceleration. That's the 
fact that originally caused me to choose cantilevers.

ISTM that center pull brakes, or their variants, could have less of that 
problem, since their arm pivots can be lower than their mounting point. 
But they're not currently fashionable.


-- 
- Frank Krygowski