The "standard" Raleigh bottom bracket is 70mm wide. Wouldn't Raleigh have used the same dimension for the Moulton Mk III? Does anybody know when Raleigh finally gave up their bottom bracket oddity? Does anybody know why the 'Muricans haven't come up with a better name for bottom bracket?
Hugh Thornton
>From: Sheldon Brown <CaptBike@sheldonbrown.com>
>To: CYCLETRUCK@aol.com, Classicrendezvous@bikelist.org
>Subject: Re: [CR]Moulton MkIII BB threading
>Date: Sun, 18 Nov 2001 13:00:15 -0500
>
>I wrote that all Moultons except for the Raleigh-built MkIII have
>standard ISO/British bottom brackets.
>
>Calvert Guthrie asked
>
>>And what kind does it have?
>>Never had mine apart but it could use an upgrade
>>from the stock set.
>
>The MkIII uses Raleigh's proprietary 26 tpi threading, and the shell
>is rather wide, maybe 74, 76 mm (mine's at the shop, so I can't
>measure it right now.) Mine has a TA Professionnel crank with a
>72-52 double, using the original Raleigh cups and, I believe, a 5**
>series Sugino type spindle (or maybe it's a 7**...can't recall.)
>
>Sheldon "The 72 Was Custom Made" Brown
>Newtonville, Massachusetts