There are chainguards that work with derailleur bikes. Your belt might be wider than a chain, but it isn't wider than a triple :-) Something like < (If you've got a 52t chainring, it might be trickier to find something that will fit.)
There are chainguards that work with derailleur bikes. Your belt might be wider than a chain, but it isn't wider than a triple :-) Something like < (If you've got a 52t chainring, it might be trickier to find something that will fit.)