The charts above and Jan's data has been combined with some other testing and put in a tool here:
https://info.silca.cc/silca-professional-pressure-calculator Enter your bike weight and tire size and it will give you a recommendation that is a good start. add or subtract ~ 10% for a feel you like. I gave them my email for the pro version but the basic is good enough. -Dave J -- 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 view this discussion on the web visit https://groups.google.com/d/msgid/rbw-owners-bunch/84aa30a2-5dd6-448e-90a3-6179d75d2af4%40googlegroups.com.