Very interesting, this is something I have wondered about. Thank you for sharing.
On Saturday, June 24, 2017 at 6:14:18 AM UTC-7, Tim wrote: > > Presented to the group without comment: > > http://www.bicycling.com/training/is-poop-doping-the-next-big-thing > -- 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.
