Originally Posted by
xlDooM
One more thing: just taking off the small and large chainrings is a suboptimal solution because the middle ring has shortened teeth with odd profiles and whatnot to aid shifting, which you don't need. Best to switch to an actual single chainring with full size teeth.
Less a big deal though, if he's on a budget and wants to really use a guide. I've done plenty of single ring and SS setups with ramped rings. So long as your chainline and guide setup is good, no trouble. Replace the ramped ring once it dies with a SS ring.