Originally Posted by
choddo
I changed from a 52 to 50 through lack of availability of a replacement 52 ring. This is DA9100.
What's the world coming to?! Then again, I'm guessing that crank is 4-bolt assym, AND, that aftermarket rings to fit that weird spider are nonexistent. See, that's why I went with 5x110mm BCD, a very old standard. Plus I think it looks better.