Re: [CR]Sturmey-Archer 3 speed hub question

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Date: Mon, 20 May 2002 16:27:30 -0400
From: "Sheldon Brown" <>
Subject: Re: [CR]Sturmey-Archer 3 speed hub question

Pete Geurds wrote:
>It's S-A AW hub.
>Is there any functional difference between running the shift cable along the
>toptube and down the seatstay, vs down the down tube and along the chainstay?
>The donor was a mixte frame so dictated cable routing. I'm using this Raleigh
>as a model for a slightly more modern interpretation:
>It went along the toptube but my frame has a brazed-on top of bottom bracket
>cable guide. Would this BB cable guide with some cable liner be suitable vs
>the proper pulley?

The top tube routing is better, and the pulley has less friction.

On my Lenton Grand Prix, I used to run an ASC hub, operated by the brazed-on Benelux downtube shifter. This used the bottom bracket guide. With this setup, I also had to run the cable through the small cable stop near the back of the chainstay...if I ran straight from the BB guide, I would tend to hit the cable with my heel.

This is a comparatively high friction setup, but it worked OK due to the very strong springs in the ASC, and the fact that it was a downtube shifter.

For a handlebar-mounted trigger, with the extra length and housing that entails, you'd be much better off with the standard top tube/pulley cable routing.

Sheldon "Been There, Done That" Brown Newtonville, Massachusetts +---------------------------------------------+ | I will be appearing in the Spring Revels | | With John Roberts & Tony Barrand | | June 21-23, | | Sanders Theatre, Cambridge, Massachusetts | +---------------------------------------------+
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