Originally Posted by
MACAQUE
maybe you could use a chain tensioner designed for horizontal dropouts.
i've only seen the ones designed for track forks in real life, but have seen pictures of some designs for multigeared horizontal dropouts.
something like this:
http://www.on-one.co.uk/i/q/FSOOCT/on-one-chaintug
That looks like a good solution. It's the only one I've seen for forward facing dropouts & geared bikes.
Here is a picture of one installed, as provided by zandoval:
http://www.bikeforums.net/attachment...hmentid=185905