[CR]Campy BB Axle Markings +1 +1.5

(Example: Events:Cirque du Cyclisme:2004)

Date: Mon, 19 Nov 2007 11:18:56 -0800 (PST)
From: Raymond Dobbins <raydobbins2003@yahoo.com>
To: Classic Rendezvous Bike List <classicrendezvous@bikelist.org>
Subject: [CR]Campy BB Axle Markings +1 +1.5

A friend asked me about a Campy BB axle he has with "70 -SS -120 +1 +1.5" markings. I know it's been discussed here, but I can't locate it in the archives.

What do the + markings mean?

Thanks in advance.

Ray Dobbins
Miami FL 33186