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  1. #1
    Senior Member xfimpg's Avatar
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    If you're front derailleur is a 9/10-speed, do you need a 10-speed chain?

    I'm currently ajusting the front derailleur (Ultregra) and am running into issues.

    I'm wondering if your front derailleur is a 9-speed (but 10-speed compatible), do you need a 10-speed chain? Or will a 9-speed work?

    Thanks for your insights.

  2. #2
    slow as I ever was Ex Pres's Avatar
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    I've used 10s campy FDs with 8 and 9 speed systems and chains with no issues.

    You didn't say what cassette you're using. 9 or 10 speed?

    What issues are you experiencing?
    72 special CNC ___________ 72 Frejus (ala Legnano) __73 Holdsworth Record
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  3. #3
    Senior Member xfimpg's Avatar
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    Quote Originally Posted by Bob Barker View Post
    I've used 10s campy FDs with 8 and 9 speed systems and chains with no issues.

    You didn't say what cassette you're using. 9 or 10 speed?

    What issues are you experiencing?
    Hi Bob

    I'm using a 9-speed cassette.

    The issue i'm facing is when setting the Hi limit on the front derailleur.

    I shift to the largest cog and small chainring

    The low limit is set just inside the FD, done. No chain rubbing.

    I set the cable nice and tight but not too tight.

    I then shift to the smallest cog and largest chainring - here's the problem: my Hi screw is completely screwed in and the chain is still rubbing on the outside of the front derailleur.

    ??

  4. #4
    Senior Member xfimpg's Avatar
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    Quote Originally Posted by xfimpg View Post
    Hi Bob

    I'm using a 9-speed cassette.

    The issue i'm facing is when setting the Hi limit on the front derailleur.

    I shift to the largest cog and small chainring

    The low limit is set just inside the FD, done. No chain rubbing.

    I set the cable nice and tight but not too tight.

    I then shift to the smallest cog and largest chainring - here's the problem: my Hi screw is completely screwed in and the chain is still rubbing on the outside of the front derailleur.

    ??
    I'll also add that I'm upgrading front and rear from a 9-speed Tiagra 9 model, to Ultegra.
    The rear fd works flawlessly.

  5. #5
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    Is the cage on the dérailleur aligned with the big chain ring? The cage should be parallel to the chain ring.

  6. #6
    slow as I ever was Ex Pres's Avatar
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    Maybe SRAM is different but every FD I've owned you screw the H screw out to move the derailleur cage position out.

    If you just can't get the FD to swing out far enough with the limit screw adjusted fully you may need more cable tension.
    72 special CNC ___________ 72 Frejus (ala Legnano) __73 Holdsworth Record
    78 Raleigh Professional_____ 80 Ranson_____________ 80 unknown French (SS)
    82 Peugeot PXN10_________83 Trek 620 (nee 600)____ 85 Gianni Motta
    85 Trek 560______________88 Guerciotti GLX
    90 Miele Gara_____________02 Casati Dardo (g/blue)__02 Casati Dardo (y/blk)
    03 Casati Dardo___________08 BF IRO (fixed)________10 Vassago Fisticuff (IGH)

  7. #7
    Senior Member xfimpg's Avatar
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    Quote Originally Posted by kycycler View Post
    Is the cage on the dérailleur aligned with the big chain ring? The cage should be parallel to the chain ring.
    Yep, it is. Some books will tell you line it with the chain, I line it with the large chainring.

  8. #8
    Senior Member xfimpg's Avatar
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    Quote Originally Posted by Bob Barker View Post
    Maybe SRAM is different but every FD I've owned you screw the H screw out to move the derailleur cage position out.

    If you just can't get the FD to swing out far enough with the limit screw adjusted fully you may need more cable tension.
    I think i'm running out of tension because i just unscrewed the Hi limit screw and the derailleur goes way past the large chainring.

  9. #9
    slow as I ever was Ex Pres's Avatar
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    Quote Originally Posted by xfimpg View Post
    I think i'm running out of tension because i just unscrewed the Hi limit screw and the derailleur goes way past the large chainring.
    Maybe I'm not following, but it sounds like you don't have an issue then. Just tighten the H screw in as needed.

    Or did you really mean than in large front/small cog you are rubbing the inside of your FD?
    72 special CNC ___________ 72 Frejus (ala Legnano) __73 Holdsworth Record
    78 Raleigh Professional_____ 80 Ranson_____________ 80 unknown French (SS)
    82 Peugeot PXN10_________83 Trek 620 (nee 600)____ 85 Gianni Motta
    85 Trek 560______________88 Guerciotti GLX
    90 Miele Gara_____________02 Casati Dardo (g/blue)__02 Casati Dardo (y/blk)
    03 Casati Dardo___________08 BF IRO (fixed)________10 Vassago Fisticuff (IGH)

  10. #10
    Senior Member xfimpg's Avatar
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    Quote Originally Posted by Bob Barker View Post
    Maybe I'm not following, but it sounds like you don't have an issue then. Just tighten the H screw in as needed.

    Or did you really mean than in large front/small cog you are rubbing the inside of your FD?
    Yes, you're correct. (sorry, it's been a while i've been at this tonite!)

    What was throwing me off was when i was in the large chainring, if i would push the trim because it was rubbing on the outside and the chain would fall to the outside.

    Are you supposed to calculate or include trim when setting the outside limit?

  11. #11
    Senior Member xfimpg's Avatar
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    Cable tension was the problem. Now it shifts like a charm.

    Thanks everyone!

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