my SON28 buzz kicks in at 17mph. I *think* my SONDelux buzzes around 24mph. I wouldn't describe it as rough pavement. More as a "RRRrrrrrrr" feeling.
-- 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 http://groups.google.com/group/rbw-owners-bunch. For more options, visit https://groups.google.com/d/optout.