I seriously doubt that the derailer is damaged. If you managed to dump the chain on both sides of the crankset on one ride, I also suspect setup issues. Double check your chain length first, then look at the setup of your front derailer. The front mech is a pretty simple device, but the setup gets a little funny sometimes. Check height and angle, then give those limit screws a tweak - preferably with the bike on a workstand so you can check and watch the functioning as you shift it.
Chuck On May 5, 10:35 am, Mitch Browne <mitch.bro...@gmail.com> wrote: > Need advice. I finally put together my Atlantis and have been riding > back and forth to work 16 miles RT for the past four weeks without > issue and happily shifting very well. I am really enjoying fully using > a useful triple. Bad news riding in this morning. The chain came off > twice on both sides of the chainring low and high. This hasn't > happened before. I was very careful in adjusting H and L limit screws > when setting it up. It jammed pretty good at the chainstay but I had > twined the chainstay at the small chainring so no rash yet. > > The only thing unusual is that on the way home YESTERDAY one small > hill I forgot to shift down on the front chainring and cross chained > pretty good for a short bit until I figured out what was wrong. Could > I have bent the cage? Forced the limit screws? > > The FD is the standard inexpensive Campy Mirage triple that Riv sells. > Should I replace the derailer? I originally tried a Campy Chorus > double but it didn't have the range though it seemed very stout. > > The crank is the Riv Sugino XD2 Triple 172.5 and Tange 107 BB. > > Please help me lift my funk. > > -- > You received this message because you are subscribed to the Google Groups > "RBW Owners Bunch" group. > To post to this group, send email to rbw-owners-bu...@googlegroups.com. > To unsubscribe from this group, send email to > rbw-owners-bunch+unsubscr...@googlegroups.com. > For more options, visit this group > athttp://groups.google.com/group/rbw-owners-bunch?hl=en. -- You received this message because you are subscribed to the Google Groups "RBW Owners Bunch" group. To post to this group, send email to rbw-owners-bu...@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.
