Originally Posted by
Clang
The pivot mounts aren't in the same place as cantis (they're above the rim), so you can't swap between the two. Roller Cams collect mud a lot easier than cantis. Cantis are easier to disconnect so you can remove the wheel.
Ahh, good to know about the mounts. The market for roller cams must have been rather small? There is a Schwinn-something MTB frame for sale locally that has roller cams which is why I became curious.