If you want max torque to clamp the seatpost use a quick release type binder bolt. The one Riv sells is the Sunlite stainless steel version, 6x55mm, not to be confused with the other Sunlite version which just says steel and comes with steel spacers.
On Friday, September 10, 2021 at 9:33:42 AM UTC-4 Patrick Moore wrote: > I’ve found that some brands are slightly (not “nominally;” it’s a tiny but > real difference) bigger than others; eg: Am Classic vs Syncro. > > Patrick Moore > iPhone > > On Sep 10, 2021, at 4:02 AM, EricP <eperic...@gmail.com> wrote: > > Am assuming when you say you replaced the bolt, you also replaced the > nut? I have found that nylock seatpost nuts don't allow me to fully torque > down on the frame to hold the post. > > > On my Clem, a Kalloy Uno seatpost, in black, seems to not slip as much. > But my issue is excess body weight, not a poor fit between post and frame. > In your case, maybe a switch to a 27.0 post would be a better solution. > > Good luck. > > Eric Platt > St. Paul, MN > > On Friday, September 10, 2021 at 12:55:21 AM UTC-5 Nick Payne wrote: > >> With the clamp bolt loosened, is the seatpost a good or loose fit in the >> seat tube? A seatpost should fit in the frame with no perceptible slop >> before the clamp bolt is tightened. My Appaloosa was nominally supposed to >> take a 26.8mm seatpost, and a 26.8mm seatpost was supplied with the frame. >> But the post was, I considered, too loose a fit in the seat tube, so I >> grabbed a 27.0mm seatpost (a Nitto S65) and did a very small amount of >> reaming of the seat tube to ensure a perfect fit. It's never slipped in use. >> >> As a much cheaper alternative, you could cut yourself a shim from a coke >> can - the aluminium in those is usually around 0.1mm thick - and see if >> that makes a difference. The metal in those cans is thin enough that it can >> be cut with a good sharp pair of scissors. You might have to hack the >> initial hole in the side of the can with something else, but once you can >> get the scissor blade in there, it should manage the rest. >> >> Nick >> > -- > > 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-bun...@googlegroups.com. > > To view this discussion on the web visit > https://groups.google.com/d/msgid/rbw-owners-bunch/b83c1c70-60e9-4803-96f6-fdae9b7d2298n%40googlegroups.com > > <https://groups.google.com/d/msgid/rbw-owners-bunch/b83c1c70-60e9-4803-96f6-fdae9b7d2298n%40googlegroups.com?utm_medium=email&utm_source=footer> > . > > -- 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/d5a8f13f-1753-4eb2-8bda-d6c338dbcf99n%40googlegroups.com.
