LX 31.8 top-pull / bottom-swing. M566 from back when LXs really well made!
$10+mail
XT 31.8 Bottom-pull / top-swing # M739 $11+mail
90's Ultegra 600 bz-on road double. Needs 1 limit screw ( any metric m3 ok)
in good shape, tight, no cut-through at all. $10 +mail
OLD Italian Gipiemme rd dbl. bz-on black ano body w/chrome cage. NOS complete.
$15 +mail
LX M570 34.9mm clamp, top-pull / top-swing. New. Hard ano body. $11+mail
Campy bz-on rd dbl. Mirage. NOS. $15+mail
OLD Campy Valentino rod-type ( like old Simplex) needs cage bolt. Restorable,
not bent. $15+mail
XT ( old type w/polished pieces) M736 1" (28.6mm) clamp-on. Top-pull. For back
when we used 46 and 48t rings. NOS perfect. $ 12 + mail
OLD Campy Valentino as desc above, but complete. No cut-through. $17+mail
STX ( LX clone) 28.6mm 1" clamp top-pull / top-swing. NOS $ $9 + mail
Most of these derailleurs fit late 90's bikes.