Forgot to add that, me, I've never had a problem using old school road fds on compact triples like the standard XD2 (X2D?) 46/36/24.
On Tue, Jul 22, 2014 at 8:02 PM, Patrick Moore <[email protected]> wrote: > I'll add to Eddie's remark that, on those sad occasions when you simply > cannot get the outer limit screw in such nice adjustment to produce firm > shifting without chain drop, it sometimes helps to adjust the angle of the > fd around the seat tube. This is an entirely empirical and "by guess and by > gosh" process, IME. Beyond that, sometimes you can fudge on the outward > throw with the limit screw by delicately bending the forward tip of the > outer cage plate -- after having juggled the fd's angular position. > > Patrick "multivariate polynomial equations are *fun*!" Moore > > > On Tue, Jul 22, 2014 at 11:25 AM, eflayer <[email protected]> wrote: > >> If the front d is overshifting as to push the chain off the outside of >> the big ring, then the outside limit screw...is set in such a way that it >> is allowing this to happen. There should be a perfectish setting where the >> chain makes it on to the big but is limited by the limit screw making it >> impossible to over shift. Also I would guess that the Campy Racind Triple >> front d was not made for a large chainring as "small" as a 46. You might >> consider and IRD Apina triple front, which is made for small triple road >> cranks. >> >> On Tuesday, July 22, 2014 8:13:40 AM UTC-7, Jim Bronson wrote: >>> >>> I have had my Rivendell for approximately 9 years now. During this time >>> I have continually had problems with overshifting of the front derailer. >>> This has continued through 4 different cranksets, two or three different >>> front derailers, different brands of chains, different casettes, different >>> LBSs tinkering with it and so forth. Not to mention my own tinkering. >>> I've theorized that maybe the seat tube angle on my bike is different than >>> others due to the large size of my bike - 69cm, but I don't really know. >>> >>> I had given up on the problem and just rode the chain back on to the big >>> ring if it came off that way, or stopped and put it back on the granny if >>> it came off that way. >>> >>> I just recently as in last week switched to a Deore SGS derailer, so >>> super long cage. With so much longer of a cage, it pulls the chain back a >>> lot father now when it comes off the big ring and I am afraid of something >>> catastrophic happening like the chain getting tangled up in the spokes. So >>> there is a renewed urgency to do something about it. >>> >>> The current front derailer is a Campy Racing T, which from what I read >>> on the Internet is supposed to be good at shifting compact triples. I am >>> currently running a Sugino XD600 46/36/26 crankset and also using Shimano 9 >>> speed bar ends. If it makes a difference. >>> >>> I read something on the 650B list about bending in the leading tip of >>> the outer plate to prevent overshifting. I really don't want to trash a >>> perfectly good front derailer but I'd be willing to try it if there was a >>> reasonable expectation of it being successful. To quote: >>> >>> "On my last successful Ritchey crank build I used an NOS first >>> generation Shimano deer head with said alignment and the leading tip of the >>> outer plate bent in to better keep the 9spd chain from over shifting when >>> coming back up onto the big ring." >>> >>> Or is there a different derailer model I should be using? I'm open to >>> it. >>> >>> -- >>> Keep the metal side up and the rubber side down! >>> >> -- >> 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. >> > > > > -- > Resumes, LinkedIn profiles, and letters that get interviews. > By-the-hour resume and LinkedIn coaching. > Other professional writing services. > http://www.resumespecialties.com/ > Patrick Moore > Albuquerque, Nouvelle Mexique, Etats Unis > > ************************************* > * "Where you come from is gone, where you thought you were going to > never was there, and where you are is no good unless you can get away from > it. Where is there a place for you to be? No place.* > * "Nothing outside you can give you any place," he said. "You needn't to > look at the sky because it's not going to open up and show no place behind > it. You needn't to search for any hole in the ground to look through into > somewhere else. You can't go neither forwards nor backwards into your > daddy's time nor your children's if you have them. In yourself right now is > all the place you've got. If there was any Fall, look there, if there was > any Redemption, look there, and if you expect any Judgment, look there, > because they all three will have to be in your time and your body and where > in your time and your body can they be?* > * "Where in your time and your body has Jesus redeemed you?" he cried. > "Show me where because I don't see the place. If there was a place where > Jesus had redeemed you that would be the place for you to be, but which of > you can find it?” -- Flannery O'Connor, Wise Blood * > -- Resumes, LinkedIn profiles, and letters that get interviews. By-the-hour resume and LinkedIn coaching. Other professional writing services. http://www.resumespecialties.com/ Patrick Moore Albuquerque, Nouvelle Mexique, Etats Unis ************************************* * "Where you come from is gone, where you thought you were going to never was there, and where you are is no good unless you can get away from it. Where is there a place for you to be? No place.* * "Nothing outside you can give you any place," he said. "You needn't to look at the sky because it's not going to open up and show no place behind it. You needn't to search for any hole in the ground to look through into somewhere else. You can't go neither forwards nor backwards into your daddy's time nor your children's if you have them. In yourself right now is all the place you've got. If there was any Fall, look there, if there was any Redemption, look there, and if you expect any Judgment, look there, because they all three will have to be in your time and your body and where in your time and your body can they be?* * "Where in your time and your body has Jesus redeemed you?" he cried. "Show me where because I don't see the place. If there was a place where Jesus had redeemed you that would be the place for you to be, but which of you can find it?” -- Flannery O'Connor, Wise Blood * -- 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.
