Should perhaps I draw the line in the sand more clearly?
The chains of 5-7 speed drives are not the same as 8-10+ speed.
So, does the pulley width count if one is using a 5-7 speed chain on pulleys designed for 8-10+ speed?
Hope that clarifies the question.
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1959 Hilton Wrigley Connoisseur (my favorite!)
1963 Hetchins Mountain King
1971 Gitane Tour de France (original owner)
* 1971 Gitane Super Corsa (crashed)
* rebuilt as upright cruiser
1971 Gitane Super Corsa #2 (sweet replacement)
1980 Ritchey Road Touring (The Grail Bike)
1982 Tom Ritchey Everest
(replacing stolen 1981 TR Everest custom)
1982 Tom Ritchey McKinley (touring pickup truck)
1985 ALAN Record (Glued & Screwed. A gift.)