Just checked for ya tanhalt. Don't bother. Ramps/pins are all in the wrong place, you lose the shifting benefit. Shifts worse than Yaw FD + old Force rings. Plus you have that silly pin sticking out.
Thanks for checking Caley!
At the risk of becoming a pain in the butt on this subject though, I'm not sure if I understand the "Ramps/pins are all in the wrong place..." comment. The drop pin we knew about (but that's really just an aesthetics issue IMHO) but if the rings are kept in phase with each other, how can they be in the "wrong place" relative to the pedal stroke when they are rotated 180 degrees? I guess I'm asking what the frame of reference is for that determination of "wrong-ness". The way I see it, if you rotate the rings 180 degrees out of phase with the crank arms, if you take the location of the ramps pins in relation to, for example, the right crankarm, now they are in that same
relation to the left crankarm...so, how can that be an issue? If the ramps/pins are located with respect to a downstroke, then they're in the same relation but just with the downstroke on the opposite leg. Something's not adding up...
However, I was wrong about the big ring not being able to mount up without modification. The LITTLE ring can't mount up unless you file the tab that would normally attach directly to the big ring down a bit. Although since it's a little ring, it would be easier just to run an old one.
That's good to know...filing is a fairly easy and quick mod to do
Long story short: don't bother with new rings + old cranks.
I guess I'll have to say that I'm not convinced of that yet...