Michael, I just received a Riv box o' FOSS for my Marathon Supreme 40's
They shipped 700 x 1.35-1.75 so it looks like you have extra large. I don't know if I have to replace my Velox with the included apparent rim strips but will find out soon. Mitch San Luis Obispo, CA -- You received this message because you are subscribed to the Google Groups "RBW Owners Bunch" group. To view this discussion on the web visit https://groups.google.com/d/msg/rbw-owners-bunch/-/JArmnumOKeoJ. To post to this group, send email to rbw-owners-bunch@googlegroups.com. To unsubscribe from this group, send email to rbw-owners-bunch+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rbw-owners-bunch?hl=en.