Re: Half-step on Sturmey, was [CR]How to build up this Hetchins?

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From: "Pete Geurds" <raleighpro@dejazzd.com>
To: classicrendezvous@bikelist.org
References: <48CE3D89.9060804@verizon.net> <1262235490.20080915123431@rogers.com> <E1KfIj8-0004Zh-U3@elasmtp-spurfowl.atl.sa.earthlink.net> <BAY129-W460D3EBC26FF34315B1F07FE4E0@phx.gbl> <E1KgWzq-0007rZ-3q@elasmtp-junco.atl.sa.earthlink.net>
Subject: Re: Half-step on Sturmey, was [CR]How to build up this Hetchins?
Date: Fri, 19 Sep 2008 09:51:05 -0400
reply-type=response

From: "Mark Stonich" <mark@bikesmithdesign.com> To: <classicrendezvous@bikelist.org> Sent: Thursday, September 18, 2008 23:49 Subject: Re: Half-step on Sturmey, was [CR]How to build up this Hetchins? snipped:
> For perfect shifting or to get larger cogs I use a modified 7 speed Shimano Cassette cog (pre-Hyperglide when possible) for the inner cog, then a 1mm freewheel/fixed cup spacer then a dished small cog. http://bikesmithdesign.com/SA/2Cogs2.jpg http://bikesmithdesign.com/SA/2Cogs.jpg http://bikesmithdesign.com/SA/CogMod.jpg shows how the cassette cog splines are altered.

When Jane was recovering from a knee injury I put a 22-34 pair on her SA 5 speed hub. Her Huret Duopar shifted them as smooth as butter. http://bikesmithdesign.com/SA/22-34.jpg < --------------------------------------------------------------------------------------------------------------------------- Mark and list: Pretty interesting info in this thread. I thought I remembered reading about a maximum rear cog size on a S-A hub due to overloading the hub and stripping something. Maybe it was a newer/different brand of hub. That shot of the 22-34 is still impressive though.

Pete Geurds
Douglassville, Pa. USA