The Jubilee shifts OK in my opinion, the front is sort of a neat design but it feels like a toy. The real problem with these is that you never know which shift will be your last. The rear is fragile and the front may not survive a reasonable attempt to get the clamp tight enough to stop it swiveling on the seat tube. Some shops required that only the manager tighten the front der. clamps, as he would take the heat if they broke.
There is also a long cage touring version of the rear- that is really pushing your luck.
Joe Bender-Zanoni
Great Notch, NJ