Originally Posted by unterhausen

the SP/Shimano system is not problem free, but it's far better than the standard Schmidt. At least with the Shimano system you can do a field repair. Don't know what you do if you have the inevitable connector failure on a Schmidt while out on a ride. My biggest problem with wires is when I have a flat and I'm already a little flustered. I have a Schmidt connectorless system, but that's not a simple fix