I ride where it is very windy (a lot of cross winds) and do get what you are describing, but its not so much a shimmy as it is an "unsteadiness"--damn I wish there was some book of bicycle verbiage out there!
On Thu, Apr 25, 2013 at 1:59 AM, samh <[email protected]> wrote: > I have two road bikes and they both shimmy, so I sort of feel like a crash > test dummy for the shimmy phenomena. Wind seems to makes things worse as > do imperfections in the road surface. My racing bike has tried to kill me > on occasion. My Rivendell scares me when it starts to shimmy, but it > doesn't approach the level of violence that my racing bike exhibits. I can > keep riding my Rivendell at the same speed when it starts to shimmy and not > crash. Although, with both bikes the shimmy scares me enough that I > rapidly scrub speed until the shimmy stops. On my racing bike that usually > means scrubbing speed from ~40mph to under 15mph while I hang on for dear > life. > > I ride large frames and I attribute the shimmy to the greater flex in the > longer tubes. Based on my experiences, I believe tubes need to be stiffer > as frames get larger. Using the same tube set on a 56cm and a 65cm frame > seems problematic to me. > > -- > 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 [email protected]. > To post to this group, send email to [email protected]. > Visit this group at > http://groups.google.com/group/rbw-owners-bunch?hl=en-US. > For more options, visit https://groups.google.com/groups/opt_out. > > > -- 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 [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/rbw-owners-bunch?hl=en-US. For more options, visit https://groups.google.com/groups/opt_out.
