chainrub big ring

Timmy269
Timmy269 Posts: 14
edited February 2015 in Workshop
I have installed my rotor Qrings but when I ride on my 39 and in the back on my 13 (3th ring) I hear the chain rubbing against the 53 ring. Is this normal?

Comments

  • ElectronShepherd
    ElectronShepherd Posts: 227
    Don't know about normal, but you're not alone:

    viewtopic.php?f=40004&t=12988298
  • StillGoing
    StillGoing Posts: 5,211
    Yes and no. With a SRAM Yaw 22 FD, I can get to the extremes of chain angle in both rings without chain rub. Using a normal FD not so good. Assuming you've altered the height of the derailleur to be at the correct gap when the large Q ring is at maximum elongation and that the small ring is at the same position, you should be able to get down to the 2nd smallest sprocket before any chain rub starts.
    I ride a bike. Doesn't make me green or a tree hugger. I drive a car too.
  • Timmy269
    Timmy269 Posts: 14
    The chain doesn't hit the FD but the big chainring when on the 39 and the 13 on the back
  • StillGoing
    StillGoing Posts: 5,211
    Yes I got that.
    I ride a bike. Doesn't make me green or a tree hugger. I drive a car too.

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