Thicker cables are more apt to fail at the shifter drum than thinner cables. The most damaging things that happen to cables are always the clamp screws.
On Saturday, October 12, 2013 3:54:24 PM UTC-5, Michael Hechmer wrote: > > Good thought only this bike, and the bike where the derailler cable failed > were both DT shifters, hence no cable housing at all. The tightest bend is > clearly around the DT shifter itself. All other bends are much less than > that. > > > On Saturday, October 12, 2013 8:52:12 AM UTC-4, Ron Mc wrote: >> >> making cable housings too short leading to excessively tight bends is the >> most common demise of cables. >> My buddy had a short derailleur cable that shifted on him from frame flex >> under a climbing load (exactly where you don't need it) >> Lengthening the cable housing solved the problem. >> >> On Saturday, October 12, 2013 6:23:15 AM UTC-5, Michael Hechmer wrote: >>> >>> No doubt derailler cable needs to be more flexible, but I'm betting we >>> have reached a point in material science where we can make a strong & >>> flexible cable. >>> >>> Michael >>> >>> On Saturday, October 12, 2013 4:13:04 AM UTC-4, Perry wrote: >>>> >>>> Some excellent points. Regarding the cable splitters... >>>> >>>> > In contrast the male end holds the cable with two set screws, but the >>>> entry hole in the brake connect is much smaller than the exit hole and, to >>>> my eye, just barely distinguishable from the derailler connect. >>>> >>>> I have davinci cable splitters and find no problem distinguishing >>>> between brake and derailleur easily. Not sure that the brand would make >>>> any >>>> difference but just throwing it out as a data point. >>>> >>>> Regarding 50+ year old eyesight, I'm 55. This is my main problem >>>> working on bikes. This and diminished dexterty of my hands/fingers and >>>> loss >>>> of general flexibility (to bend and hold my body in certain situations >>>> while making repairs). For the flexibly part, I find myself moving the >>>> bike >>>> on the stand more often to get the best angle at the job. Good readers >>>> that >>>> don't slide down my nose and this >>>> http://www.lightsandknives.com/images/D/hl4.jpg are the best I've been >>>> able to come up with for the eyesight thing. I remain open to suggestions. >>>> >>>> Also, as noted, I strongly suspect that a brake cable will not be be >>>> flexible enough to give optimal shifting performance. This may be most >>>> noticeable around tight bends such as under the BB cable guide to front >>>> derailleur. Also, could be that this is more of an issue with indexed >>>> shifting. I realize these standards were established prior to indexed >>>> shifting so maybe I'm wrong about the reason but I've done some >>>> experiments >>>> and the stiffness of a thick cable does appear to effect shifting IME. >>>> >>>> • Perry >>>> >>> -- 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.
