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  1. #1
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    SRAM Derailleur Indexing

    Hello,
    I am having trouble with shift indexing on my rear derailleur.

    I have a SRAM X.0 9-speed shifter, SRAM X.5 rear derailleur, and SRAM 9-speed cassette.

    When it is adjusted to work on the low gears, it starts messing up on the high gears. If I adjust it to work on the high gears, it starts jumping on the low gears.

    According to all the retailers, the X.5 is compatible with 7, 8, and 9 speed systems, but it seems to me that the derailleur is moving too far for the sprocket spacing. The spacing is 4.8mm for 8-speed and 4.35mm for 9-speed. Is the shifter supposed to take care of the difference?

    Do I need an X.0 derailleur?

  2. #2
    Nouveau Retrogrouch SuperModerator
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    SRAM Derailleur Indexing

    Quote Originally Posted by MudSnow View Post
    Hello,
    I am having trouble with shift indexing on my rear derailleur.

    I have a SRAM X.0 9-speed shifter, SRAM X.5 rear derailleur, and SRAM 9-speed cassette.

    When it is adjusted to work on the low gears, it starts messing up on the high gears. If I adjust it to work on the high gears, it starts jumping on the low gears.

    According to all the retailers, the X.5 is compatible with 7, 8, and 9 speed systems, but it seems to me that the derailleur is moving too far for the sprocket spacing. The spacing is 4.8mm for 8-speed and 4.35mm for 9-speed. Is the shifter supposed to take care of the difference?

    Do I need an X.0 derailleur?
    The RD is fine.

    Check the hanger alignment.
    mtbtires.com
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  3. #3
    mtbr member
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    I had a similar problem with my shimano set up, i spent hours trying to fiddle with cable tension only to have one side working and the other not. Im fairly new to maintaining my bike myself. I found checking the R tensioner screw did the trick for me. In case you dont know how far its supposed to be you need to get it as close to the lowest sprocket as possible without it grinding. Once that is done try setting up from scratch again.

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