28.6mm clamp (oldschool steel seat tube fit). It is in really good condition considering it's over 35 years old.
Vintage Suntour Front Derailleur 2 Speed FD XR16.
Vintage Suntour Front Derailleur 34.9mm Top Pull
VINTAGE SUNTOUR + WOLBER WHEELSET.. LOOK !
Vintage Suntour Cyclone M-II Front Derailleur
Vintage Suntour Superbe Crank Arm Dust Caps Racing Equipment 1980s Pair
VINTAGE SUNTOUR SUPERBE PRO BOTTOM BRACKET.. LOOK !