Something doesn't sound right here. I had my '80 Masi cold-set from 120 to 126 right after I got it, years back. The spindle was not replaced, AFAIK. The chainline was correct, both measured and based on even shifting and wheel dish, in both cases.
If I'm going to add a gear to a 5-speed, and the wheel will be re-dished, and the cluster must remain centered on the crankset center plane, then why should the distance from the crank center plane to the frame center plane increase, due to addition of rear cogs?
The consequence of Chuck's claim is that every time a frame is cold-set, the BB must be considered for replacement. I never heard this before.
Ken Freeman Ann Arbor, MI USA
-----Original Message----- From: classicrendezvous-bounces@bikelist.org [mailto:classicrendezvous-bounces@bikelist.org] On Behalf Of Tom Sanders Sent: Thursday, August 30, 2007 3:48 AM To: classicrendezvous@bikelist.org Subject: [CR]Campy spindles and drop out spacing
I just read with great interest where Chuck said that in a number such as 70-120 on a Bottom Bracket Spindle that the first is the Bottom Bracket shell width and the second number is the drop out spacing. What are the consequences of not matching up the second number with the spacing or changing the spacing on a bike and having a mis-match on the second number of the drop out spindle?
Tom Sanders
Lansing, Mi USA