Originally Posted by
dbakl
How much chain do you need to wrap? I've routinely run 14/28 freewheels with NR for over 30 years, even with triples. ...
The secret is in the offset pulley cage pivot. In the original GS design, the pivot and the two pulley axles are all colinear, which provides significantly less chain wrap for a given cage length. As 1.5-step gearing began to displace half-step, Campagnolo found a clever way to wrap more chain.
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"Far and away the best prize that life offers is the chance to work hard at work worth doing." --Theodore Roosevelt
Capo: 1959 Modell Campagnolo, S/N 40324; 1960 Sieger (2), S/N 42624, 42597
Carlton: 1962 Franco Suisse, S/N K7911
Peugeot: 1970 UO-8, S/N 0010468
Bianchi: 1982 Campione d'Italia, S/N 1.M9914
Schwinn: 1988 Project KOM-10, S/N F804069