RE: [CR]Campagnolo Pista cranksets (151 mm & 144 mm)

Content-class: urn:content-classes:message
Subject: RE: [CR]Campagnolo Pista cranksets (151 mm & 144 mm)
Date: Sat, 24 Jun 2006 14:43:10 -0700
Thread-Topic: [CR]Campagnolo Pista cranksets (151 mm & 144 mm)
Thread-Index: AcaXzCNpaALcgw0JTTCmrGeeAQPjogACoCJw
From: "Mark Bulgier" <Mark@bulgier.net>
To: "Chuck Schmidt" <chuckschmidt@earthlink.net>, "classicrendezvous Rendezvous" <classicrendezvous@bikelist.org>

Chuck Schmidt wrote:
>
> 1966 - The Record 5-pin cotterless ROAD crankset changed to
> 144 mm bolt circle (Ted Ernst). Minimum chainring 41 tooth.

Shouldn't this say minimum chainring 42 tooth? I believe the 41s didn't appear until much later, 80s? You can't even use a newer 41 tooth chainring on an older bike unless you also use a newer-style chain, or modify the cranks - the taller sideplates of old chains would impinge on the spider arms.

Mark Bulgier
Seattle WA USA