Also, sometimes a new cable can slip out of some guides under the bottom bracket. This too might cause a sudden slackness. Michael
On Saturday, July 27, 2013 1:45:27 PM UTC-4, Michael Hechmer wrote: > > The only other thing I can think of is either cable stretch, which is > normal on a new setup,but usually takes more than a couple of rides, or a > little slip at the derailler. I'm not familiar with the thumb shifters but > would suggest putting each shifter - derailler in the loosest position and > check the cable tension. > > Michael > > On Saturday, July 27, 2013 1:31:17 PM UTC-4, Patrick Moore wrote: >> >> #1: Dirty chain catching on bottom of the smaller (the proper term, ahem, >> for us periti, is "chainring" or "ring", he said snootily) so that the >> bottom run of the chain is brought up to, or sucked to, the top to lodge in >> the derailleur? >> >> #2: You managed to loosen the front derailleur shift lever's mounting >> bolt so that the lever won't stay in its desired position? >> >> Friction shifting, once properly adjusted, is so simple that it is hard >> to find something to go wrong. Your experience #1 sounds like chain suck >> and your experience #2 sounds like a loose lever. >> >> On Sat, Jul 27, 2013 at 10:48 AM, Johnny Alien <johnn...@verizon.net>wrote: >> >>> OK so I just got my new Hillborne this week. It is completely friction >>> and I am using the IRD thumbshifters with the Deore rear derailer and the >>> CX front derailer. It has a Sugino double crankset. On day one it worked >>> wonderful and the shifting with the IRD thumbshifters was great. I did a >>> few more hours the next day and it was fine that day as well. This morning >>> I go out for a ride and shifting the front gears resulted in the chain >>> getting jammed up around the front derailer. I got it loose again and from >>> that point on any attempt to shift the front resulted in the chain trying >>> to hang up or it just shifting back down to the smaller cog. That was the >>> more frequent result. Basically I would shift it to the higher cog and it >>> would act like it was going to do it and then drop down to the smaller cog. >>> This would also pull the shifter back into that position. I figured I >>> would just do the ride on that cog and shift only the rear and about a mile >>> later the rear derailer starts acting the same way. Anything I shift to >>> above the smallest cog would work for a few turns and then drop back down >>> to the small cog again and the shifter would flop to that position. This >>> is a new bike so the cable and housing is all new as are the derailers. I >>> am not sure where to start. I am not shy about working on my bike but I am >>> not smart with derailer issues. Any ideas? >>> >>> -- >>> 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-bun...@googlegroups.com. >>> To post to this group, send email to rbw-owne...@googlegroups.com. >>> Visit this group at http://groups.google.com/group/rbw-owners-bunch. >>> For more options, visit https://groups.google.com/groups/opt_out. >>> >>> >>> >> >> >> >> -- >> >> http://resumespecialties.com/index.html >> patric...@resumespecialties.com >> http://www.linkedin.com/in/patrickmooreresumespec/ >> >> >> Albuquerque, NM >> > -- 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/groups/opt_out.