[CR]RE: 4 Different B/B specs.

(Example: Framebuilders:Tony Beek)

In-Reply-To: <17d.8a998a9.2a1c6259@aol.com>
References: <17d.8a998a9.2a1c6259@aol.com>
Date: Tue, 21 May 2002 23:32:38 -0400
To: Huemax@aol.com, classicrendezvous@bikelist.org
From: "Sheldon Brown" <CaptBike@sheldonbrown.com>
Subject: [CR]RE: 4 Different B/B specs.

At 10:54 PM -0400 5/21/02, Huemax@aol.com wrote:
>Thank you for all your help regarding my question about "4th Bottom bracket?"
>Here is the final correct information;
>Please note R/H (right hand) thread is described as C.W.(clockwise, right
>trun) screw.
>And L/H (left hand) thread is C.C.W.(counter clockwise, left turn) screw.
>British 1.370" 24 TPI C.C.W.
> C.W
>ITALIAN 36 (mm) 24 F C.W.
> C.W.
>FRENCH 35 1 C.W.
> C.W.
>SWISS 35 1 C.C.W.
> C.W.
>I still do not know the"1" at thread size stand for, maybe 1 inch=25.4mm??

No, that means 1 millimeter per thread, equivalent to 25.4 TPI

(metric threads are designated in mm per thread; the inverse of the English threads per inch approach.)

All of these dimensions are listed in the Bottom Bracket entry of my Bicycle Glossary

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