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.
