Re: One for the wrinklies - BSA Top tube shifter



C

Chris Bacon

Guest
[email protected] wrote:
> I did ask over in rec.bicycles.tech, but got only one reply......


u.r.cycling??

> Does anyone here remember what the internals of a BSA top tube shifter
> should be like?
>
> That is to say a BSA manufactured (and possibly designed) gear shifter
> which attaches to the top tube of a bicycle to control a 3 speed
> Sturmey Archer type hub?
>
> I am trying to get one working, but it looks as though someone has been
> in there before me.
>
> Most bits seem to be there exceprt for the bit that the cable attaches
> to. It looks like i'll have to make something, but if any of you with
> long memories can remember what the original was like, it would help.
>
> Picture is at
>
> http://static.flickr.com/57/167561522_47c2457931_m.jpg
>
> The oblong bit with 2 holes on the right of the lever is I think a
> previous owners attempt to make up something to attach the cable. The
> item on the right is the cover plate that goes on the outside of the
> lever, I imagine that it would have been possible to change a cable
> using the access hole in this.
>
> The end of the cable and the nipple are at the left and from the way
> the cable (run bare without an outer) is routed on the frame, if it
> were to run horizontal it would come in at the top of the half moon
> shaped plate. This would be no good, so I assume it actualy runs
> downwards Hmm.... it's not obvious from the picture, but the cable
> entry is only from about
> 8.30 - 6.30 (if you think of the half moon plate as the bottom of a
> clock face.


I've got one of those fitted to a bike, but it's about 300 miles
away.

You could well try a cycling shop (that does repairs as well as
sales, not Halfrauds or similar).