My bike is a 74 90/6, and has the shifter boss. So I guess it was retro-fitted. How would somebody tell a /7 frame from a /6 frame?
1974 R90/6 w/1050 kit. Motor only. Seeking a frame.
'91 Bill Holland Steel w/Dura Ace
'01 Z3 3.0 Coupe. The Clownshoe.