Originally Posted by
juntjoo
is it because it doesn't have a hole to secure it to the frame that it would require a "direct mount"? That's all I see as the difference in which case I'm all ready to start drilling
No, there are a couple issues that make it problematic. First, your frame has an integral derailleur hanger that will interfere with any claw-mount; you'd need to chop off the integral hanger. Second, the claw mount on your proposed derailleur is designed for a forward-facing dropout slot; your frame has a vertical slot. Even if you were to castrate the frame by chopping off the integral hanger, the orientation of the slot would position the derailleur in a far-from-ideal orientation with the gear cluster, and shifting would suffer.
N.B. even on a frame with forward-facing dropout slot, you wouldn't drill a hole to secure the claw. That hole in the claw is for a special bolt and nut that fits in the slot to secure the claw, like this:
