Big thread over on the iBob list recently regarding 1x drivetrains and touring bikes. Some of it may apply to your question:
https://groups.google.com/forum/m/#!topic/internet-bob/UotvyN-_a7k Bob K. in Baltimore -- You received this message because you are subscribed to the Google Groups "RBW Owners Bunch" group. To unsubscribe from this group and stop receiving emails from it, send an email to rbw-owners-bunch+unsubscr...@googlegroups.com. To post to this group, send email to rbw-owners-bunch@googlegroups.com. Visit this group at https://groups.google.com/group/rbw-owners-bunch. For more options, visit https://groups.google.com/d/optout.