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  1. #1
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    Question for Prime owners - front derailleur and chain ring combos

    I have a question for all the Prime owners out there regarding 2x10 setups. Has anybody ran a 38/24 or 36/22 combo with SRAM derailleurs? I've been researching derailleurs and all I have been able to find is a 39T derailleur. Am I wrong in assuming that you are locked into a 39 tooth setup with this derailleur? Are there any interference issues anybody has come across with the chain rubbing on the derailleur on smaller chainring setups? Thanks in advance for your help.

  2. #2
    mtbr member
    Reputation: MartinS's Avatar
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    I ran the 39T front with a 34/24 combo, worked great. As far as I remember the 39T was a maximum.

  3. #3
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    Question for Prime owners - front derailleur and chain ring combos

    That's what I needed to know. Thank you.

  4. #4
    MTB B'dos
    Reputation: LyNx's Avatar
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    I run 38/24 using the SRAM XO 39t S3 model FD and no issues. As Martin said, 39t is the max size you can use.
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