listers, it was always explained to me by the old cycle guys that less outer casing meant less friction back in the days pre lined outer casings. just my 2 c's worth.. willie carton from a sunny summery springtime19deg C Coleraine N.Ireland
Donald Gillies <gillies@cs.ubc.ca> wrote: >> The less housing there is in a braking system, the less housing compression there is; the less compression there is, the more positive the braking is <<
Duh!! Why didn't I remember this ?? I think that Larry has hit the nail on the head.
In general, braze-ons were used for many centerpull bikes, because centerpulls already have more slack in the system because of the straddle carriers and lesser mechanical advantage. Braze-ons were also present on bikes with brake-lever extensions. In fact, it seems that the correlation is highest between centerpulls / extensions and top tube braze-ons, which supports larry's conclusion.
- Don Gillies San Diego, CA _______________________________________________
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