My favourite FD for this type of scenario is the Dura-Ace 7400 double. It works amazing on a compact wide-range crankset. Cheap as chips too.
KJ On Monday, March 27, 2023 at 4:27:43 AM UTC-7 peter...@gmail.com wrote: > On my Rambouillet, I use the 9 speed Ultegra FD which the FD in the photo > is a copy of. The smallest large chainring I can use is 48 teeth. The > reason that's the smallest is the tail end of the derailleur will hit the > chainstay if I position it lower. And if I used smaller rings the gap > between the bottom edge of the outer plate would be too large and the > derailleur then couldn't control movement of the chain between the > chainrings. > > On Sun, Mar 26, 2023 at 6:50 PM Matthew Williams <matthewwil...@gmail.com> > wrote: > >> Crankset and chainrings: >> >> SIlver 173 >> 44 x 34 x 24 >> >> >> [image: 665_1857.JPG] >> >> Crank - Silver - Triple 44x34x24 >> <https://www.rivbike.com/products/silver-crank-triple-44x34x24?variant=34285679245> >> rivbike.com >> <https://www.rivbike.com/products/silver-crank-triple-44x34x24?variant=34285679245> >> >> <https://www.rivbike.com/products/silver-crank-triple-44x34x24?variant=34285679245> >> >> >> >> On Mar 26, 2023, at 3:05 PM, Peter White <peter...@gmail.com> wrote: >> >> Modern triple FDs are designed for a specific combination of chainrings. >> For example, the IRD FD in the photo is an exact copy of the Shimano 9 >> speed Ultegra Triple and 105 Triple FDs. Probably made by the same company >> that made it for Shimano. The bottom edges of the derailleur plates are >> properly spaced for the 10 tooth difference between the outer and middle >> chainrings of the Ultegra and 105 9 speed triple cranksets; 52 and 42 teeth >> respectively. When properly installed, the bottom edges of the derailleur >> will be about 1mm to 2mm above the tips of the chainring teeth when >> shifting between the outer and middle rings. So this FD only shifts well if >> the middle and outer rings have a 10 tooth difference. If, for example, >> they have a 12 tooth difference, and you have the FD high enough for the >> outer plate to clear the outer chainring, the inner plate will have a >> larger gap to the middle ring and the shift from the inner ring will not be >> good. With a 14 tooth difference, it's hopeless. You'll have to over-shift >> to get the chain cleanly onto the middle chainring. >> >> So, to answer the original question, we need to know what chainring sizes >> are on the crankset in question. >> >> On Sun, Mar 26, 2023 at 1:04 PM Matthew Williams <matthewwil...@gmail.com> >> wrote: >> >>> Hi everyone, >>> >>> I need to replace my stock Rivendell front derailleur. Can someone >>> please recommend a good front derailleur? >>> >>> Here’s my existing setup: >>> >>> Appaloosa >>> Rivendell Silver crankset and 3 rings >>> Rear cassette: Shimano XTR 11-34T >>> Rear derailleur: Shimano Deore long cage >>> >>> With the exception of the rear cassette, all of the components came >>> stock with the bike. >>> >>> I picked up a Shimano Altus FD-M311 at the swap meet. Will this work for >>> my setup? Does a better option exist? Please let me know your >>> recommendations, advice, opinions, and experience! >>> >>> Thanks, everyone. >>> On Thursday, February 23, 2023 at 9:45:08 AM UTC-8 mmille...@gmail.com >>> wrote: >>> >>>> I've been having a heckuva time getting my front derailleur to go from >>>> little to big without hopping over. Eventually, if I talked sweetly to it >>>> and said Hail Mary three times, it would usually settle. Even took it to >>>> an >>>> experience mechanic. He also lowered it, then slowly kept raising it up, >>>> and also kept working the limit screw. A fraction of a turn was difference >>>> between not reaching the big ring, or going over! >>>> >>>> It's a White Industries VBC with 46-28. FD is IRD compact triple >>>> Aplina. Friction Microshift thumbie. I think it's bottom pull. >>>> >>>> [image: IMG_2391 Medium.jpeg] >>>> >>>> Any suggestions for different FD? May need different chain rings >>>> because of that big jump, but if I do that, I may be best off buying >>>> something else and selling these. >>>> >>>> Thanks, >>>> Matt >>>> >>> >>> -- >>> 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 view this discussion on the web visit >>> https://groups.google.com/d/msgid/rbw-owners-bunch/68001ed0-b4c8-4dee-b847-7eea267cf44fn%40googlegroups.com >>> >>> <https://groups.google.com/d/msgid/rbw-owners-bunch/68001ed0-b4c8-4dee-b847-7eea267cf44fn%40googlegroups.com?utm_medium=email&utm_source=footer> >>> . >>> >> >> >> -- >> Peter White >> >> -- >> 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 view this discussion on the web visit >> https://groups.google.com/d/msgid/rbw-owners-bunch/CA%2BD%3DXm9xvzcaCz%3DjyPubTzGZORaWUiEaq4D7pTNtFNSWYjxnKg%40mail.gmail.com >> >> <https://groups.google.com/d/msgid/rbw-owners-bunch/CA%2BD%3DXm9xvzcaCz%3DjyPubTzGZORaWUiEaq4D7pTNtFNSWYjxnKg%40mail.gmail.com?utm_medium=email&utm_source=footer> >> . >> >> >> -- >> 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 view this discussion on the web visit >> https://groups.google.com/d/msgid/rbw-owners-bunch/4690DAD3-165E-48E4-B0CA-14A7D1AB2B77%40gmail.com >> >> <https://groups.google.com/d/msgid/rbw-owners-bunch/4690DAD3-165E-48E4-B0CA-14A7D1AB2B77%40gmail.com?utm_medium=email&utm_source=footer> >> . >> > > > -- > Peter White > -- You received this message because you are subscribed to the Google Groups "RBW Owners Bunch" group. 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