The design, with the spring moving the derailleur to the low gear (large cog) position seemed to produce more wear in use on the upper jockey wheel. Return force of the spring is always against a larger cog when usually that abutting force movement would only come from my initiation as part of a coordinated shifting effort. On the one I had, the upper wheel broke around the groove receiving the bushing caps and was just flopping about, ready to jam up the chain.
Not an RD fail I'd ever seen before. Every jockey wheel replacement I had been aware of prior to that was more out of "want' or erroneous misinterpretation of Shimano upper jockey wheel side play on the bushing as wear. Mine was an XT unit installed on a hanger-aligned new commuter, never crashed. It was a very reduced item offered to me and I figured I'd take the opportunity to upgrade both durability and function at a huge discount just because of the shop's mistake of ordering it instead of the normal one. I figured "what the heck". Not again, too weird in operation and in self-destructive forces. Andy Cheatham Pittsburgh On Thursday, January 22, 2015 at 9:45:00 PM UTC-5, Steve Palincsar wrote: > > On 01/22/2015 09:37 PM, Doug Williams wrote: > > Hmmm...I have a Homer on order and I am getting bar end shifters. But I am > new to bar end shifters and I like the idea of "up is up-shift" and "down > is down-shift". Maybe I should consider one of those wierdo backward > derailers. Any suggestions? > > > Don't do it! That's my suggestion. > > > -- 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. For more options, visit https://groups.google.com/d/optout.
