Originally Posted by
alcjphil
I owned a KG381 and also a couple of 481SL's They all had braze on derailleur hangers. The seat tube is not round at that point so you cannot use a clamp on front derailleur. Forget about using any mountain bike front derailleur on that bike
I see many KG381 with clamp derailleurs. Perhaps some years had braze-on.
But no way a m951 will leave room for a rear wheel, or any top swing FD, for that matter.