It fits 1 1/8" or 1" with shim, and 26.0 clamp. It seems to be 110 or 115. It's a crazy unit that you can adjust for TTs and such. Some minor surface rust on the bolts, mechanically in great condition. MAKE AN OFFER
Wanted:
--DA or Ultegra 9 speed bottom bracket --DA or Ultegra brake pads --130 threadless road stem, 1" or 1 1/8" with 26.0 clamp --44cm road bars with 31.8 clamp --cork tape, any color --9 speed chain, new, not shimano --9 speed downtube shifters
