Bike fitting is a sum of imperfect compromises. Contrary to popular belief, there is no "perfect" frame size. But not to worry: stems and seatposts are adjustable. You may run afoul of the fashion police if your seatpost sticks out 1.7 cm farther than some old French guy's seatpost stuck out in 1932, but that is a compromise you may (or may not) be willing to make.
We're all between sizes of stock frames, and the human body is plenty flexible to accommodate a cm or two either way. Riv knows this, of course, which is why they can confidently suggest a frame size over the phone. If you REALLY trust Riv and are willing to shed whatever preconceived notions you have, the frame will magically be the right size. If you can't shed preconceived notions, and Riv suggests a different size, you may always be conflicted about whether you made the right choice. The archives of this list are full of such stories. Usually Riv comes out as the frame-sizing genius when there's a dispute, but there may be some sampling bias, given the understandable Pro-Riv nature of this list. That's a long way of saying: "it doesn't matter that much." Get the bike in either size, raise the seatpost appropriately, maybe experiment with a stem or two, and then just ride. -- 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/-/AbQBFicLIHUJ. 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.