Originally Posted by
tarwheel
Nice to hear from cyclists with personal experience with belt drives. The idea is intriguing. However, do you have to use a rear hub with internal gearing, or can you still use a derailleur system? I don't think I'm ready to give up my 18-speeds, and weight is a big factor for me because my commute route is very hilly.
You can not use a derailleur with any set up I've seen. It is IGH or single speed with belts.