my buddy had a ghost shift on his Mercian - always shifted to harder gear when he loading it down. Of course the bike has thin, somewhat flexible stays. He solved it by lengthening the rear housing on his derailleur cable.
On Sunday, June 1, 2014 11:52:51 AM UTC-5, William! wrote: > > My Atlantis has had occasional ghost shifting issues since I first built > it up. Usually when standing up to pedal, only in the middle cogs (highest > and lowest cog are fine). > > Things I've tried: > > - The whole drive train has been replaced a few times as I've worn it > out. I've learned the hard way and keep a careful eye on chain stretch and > tooth wear. So the problem is probably not the drive train. > - The silver bar end shifters are tight, probably tighter than needed. > I've tried beeswax, replacing the plastic thingies. Pretty sure they are > not slipping, the problem is probably not in the shifters. > - Tried using a cable liner along the bottom bracket shell. The thing > tends to slip up and become useless after a few dozen shifts and I don't > think it is making a difference even when properly aligned. The problem > could be here. > > At this point I'm thinking it's the frame – either the bottom bracket > shell cable routing or excessive frame flex. I'm thinking of tapping the > bottom bracket shell to install a proper cable route. Anyone tried that? > Anyone else dealt with this issue on largish Atlantis or other similar Rivs? > -- 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 http://groups.google.com/group/rbw-owners-bunch. For more options, visit https://groups.google.com/d/optout.
