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Campy Front Derailleur with Shimano STI shifter?
Will a Campy front derailleur work with a Shimano STI Shifter? The reason
that I am asking is, that I want to use 10 speed Shimano STI drivetrain with a compact road crankset (110 bolt circle with 50/34 chainrings). Campy seems to be the only one making a compact specific front derailleur. I main concern is will the trim function of Shimano shifter work well with a Campy front? Thanks in advance. |
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#2
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On Thu, 10 Feb 2005 01:37:07 -0800, wrote:
Will a Campy front derailleur work with a Shimano STI Shifter? The reason that I am asking is, that I want to use 10 speed Shimano STI drivetrain with a compact road crankset (110 bolt circle with 50/34 chainrings). Campy seems to be the only one making a compact specific front derailleur. I main concern is will the trim function of Shimano shifter work well with a Campy front? Thanks in advance. You don't need the compact specific front derailleur. Any Campy front derailleur shifts a 50/34 fine. Shimano front derailleurs like 105 or DA do fine as well. I'm not certain that the Campy front deralleur will index properly with STI. |
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Paul Kopit quoted somebody:
Will a Campy front derailleur work with a Shimano STI Shifter? The reason that I am asking is, that I want to use 10 speed Shimano STI drivetrain with a compact road crankset (110 bolt circle with 50/34 chainrings). Campy seems to be the only one making a compact specific front derailleur. I main concern is will the trim function of Shimano shifter work well with a Campy front? and replied: You don't need the compact specific front derailleur. Any Campy front derailleur shifts a 50/34 fine. Shimano front derailleurs like 105 or DA do fine as well. I'm not certain that the Campy front deralleur will index properly with STI. The front indexing issue is a problem with _triple_ cranks, because the middle position is regulated by the indexing. With a double, compact or full-sized, it isn't an issue, since the "indexing" is regulated by the derailer's limit stop screws irrespective of any indexing features of the shifter. Sheldon "Gopher It!" Brown +-----------------------------------------------------------+ | Always listen to the experts. | | They'll tell you what can't be done, and why. | | Then do it. --Robert A. Heinlein | +-----------------------------------------------------------+ Harris Cyclery, West Newton, Massachusetts Phone 617-244-9772 FAX 617-244-1041 http://harriscyclery.com Hard-to-find parts shipped Worldwide http://captainbike.com http://sheldonbrown.com |
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My wife's touring bike uses Ultegra STI levers with a triple chainset using
44-34-24 chainrings. When the Shimano front derailleur got bent by baggage handlers I put on a Record triple FD (because I happened to have one lying around) and everything continued to work fine. With only two chainrings it should be even easier. I have another bike that uses 48-34 chainrings, also with Ultegra STI levers, and the derailleur on that is an old Suntour XC-4050 that I fished out of my bits box. But anyway, "compact specific" front derailleur is a solution to a problem that doesn't exist. It's just marketing designed to separate credulous cyclists from their money. Nick wrote in message ... Will a Campy front derailleur work with a Shimano STI Shifter? The reason that I am asking is, that I want to use 10 speed Shimano STI drivetrain with a compact road crankset (110 bolt circle with 50/34 chainrings). Campy seems to be the only one making a compact specific front derailleur. I main concern is will the trim function of Shimano shifter work well with a Campy front? |
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cel,
The trim function of your Shimano will work fine with the Campy front derailleur. The compact specific front deraillure is not a marketing gimmick. If you have a braze on, a standard front derailleur cage will not be able to get low enough to allow the recommended 1-2 mm clearance above the large chainring. Shifting works but not as well, with more chain drops. I have a FSA compact 50-34. I recently replaced my standard DurAce 9 speed front derailleur with a Campy Chorus compact specific 10 speed front derailleur with remarkable improvement in shifting. Ed Nick Payne wrote: My wife's touring bike uses Ultegra STI levers with a triple chainset using 44-34-24 chainrings. When the Shimano front derailleur got bent by baggage handlers I put on a Record triple FD (because I happened to have one lying around) and everything continued to work fine. With only two chainrings it should be even easier. I have another bike that uses 48-34 chainrings, also with Ultegra STI levers, and the derailleur on that is an old Suntour XC-4050 that I fished out of my bits box. But anyway, "compact specific" front derailleur is a solution to a problem that doesn't exist. It's just marketing designed to separate credulous cyclists from their money. Nick wrote in message ... Will a Campy front derailleur work with a Shimano STI Shifter? The reason that I am asking is, that I want to use 10 speed Shimano STI drivetrain with a compact road crankset (110 bolt circle with 50/34 chainrings). Campy seems to be the only one making a compact specific front derailleur. I main concern is will the trim function of Shimano shifter work well with a Campy front? |
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Thanks for the personal experience with this type of setup. I will get the
compact crank and derailleur with confidence that it will work. I did notice that with the standard 53 ring, the standard derailleur didn't have much more drop on the front "braze on" to reach a 50. It makes sense to have a lower reach on the compact version. cel wrote in message oups.com... cel, The trim function of your Shimano will work fine with the Campy front derailleur. The compact specific front deraillure is not a marketing gimmick. If you have a braze on, a standard front derailleur cage will not be able to get low enough to allow the recommended 1-2 mm clearance above the large chainring. Shifting works but not as well, with more chain drops. I have a FSA compact 50-34. I recently replaced my standard DurAce 9 speed front derailleur with a Campy Chorus compact specific 10 speed front derailleur with remarkable improvement in shifting. Ed Nick Payne wrote: My wife's touring bike uses Ultegra STI levers with a triple chainset using 44-34-24 chainrings. When the Shimano front derailleur got bent by baggage handlers I put on a Record triple FD (because I happened to have one lying around) and everything continued to work fine. With only two chainrings it should be even easier. I have another bike that uses 48-34 chainrings, also with Ultegra STI levers, and the derailleur on that is an old Suntour XC-4050 that I fished out of my bits box. But anyway, "compact specific" front derailleur is a solution to a problem that doesn't exist. It's just marketing designed to separate credulous cyclists from their money. Nick wrote in message ... Will a Campy front derailleur work with a Shimano STI Shifter? The reason that I am asking is, that I want to use 10 speed Shimano STI drivetrain with a compact road crankset (110 bolt circle with 50/34 chainrings). Campy seems to be the only one making a compact specific front derailleur. I main concern is will the trim function of Shimano shifter work well with a Campy front? |
#7
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