3x9 to 1x9 Conversion- Mtbr.com
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  1. #1
    mtbr member
    Join Date
    Apr 2013

    3x9 to 1x9 Conversion

    I have a 2010 Gary Fisher Marlin which I love to throw off jumps and ledges. Getting a little tired of chainslap and extra weight (2 chain rings that I don't use). What all would I need to convert to a 1x9 and eliminate this ridiculous chain slap. Any particular chain ring size you would recommend? I do some pretty major climbing, but I usually manage to stay in the middle chain ring. I know I would need a shorter derailleur, but what else? Thanks

  2. #2
    mtbr member
    Reputation: mack_turtle's Avatar
    Join Date
    Jan 2009
    32t single-speed specific chainring
    short chainring bolts

    remove all chainrings, install new chainring with short bolts
    shorten chain so that the RD will work on the biggest cassette cog. you don't need it any bigger than that.

    doing this is not going to automatically relieve chainslap. shortening your chain is going to help a lot, but that only makes sense if you're going 1x. if you have a 10 speed drivetrain, you could also put a Shimano Shadow Plus RD on there and that should sort out most of the chain slap.

  3. #3
    mtbr member
    Reputation: blackgriffen_1's Avatar
    Join Date
    May 2010
    Everything mack_turtle said ^^^^, with the stipulation that if you're jumping and you want to avoid dropping your chain, I'd recommend at least an upper guide on your chainring.
    I like the Paul Components chain keeper, it's worked wonders on my CX bike.

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