Let me start by saying that there was nothing intrinsically wrong with my Wabi Cycles Special drive train. I like to tinker with my bikes, so when I wanted to change the gearing of my Wabi Special, I decided to change a few other things too! The upgrades that you are looking at are: Wabi Cycles 52 tooth 144 BCD chainring. White Industries 17 tooth ENO freewheel KMC Z610 HX silver chain 3/32″ Shimano square … more »