I've only used a handlebar shim once. It was for an Ahearne Map bar in a Technomic stem.Certainly nothing scratched. About all I remember was a little bit of fuss getting the top and bottom halves aligned evenly, since the shims were slightly wider than the stem.
<http://img.photobucket.com/albums/v728/bulldog1935/Raleigh/Viner/aP3180019.jpg> I'm also in the habit of spreading open stems with the big screwdriver blade before I insert bars, so maybe that helped. While I would say shims are something you wouldn't choose to do if you didn't need it, I don't otherwise see a downside to them. They make a solid joint when done. -- 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 post to this group, send email to rbw-owners-bunch@googlegroups.com. Visit this group at https://groups.google.com/group/rbw-owners-bunch. For more options, visit https://groups.google.com/d/optout.