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  1. #1
    mtbr member
    Reputation: millertm's Avatar
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    Jul 2012
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    New 9spd 2012 RH -->10spd

    So I have seen some 10spd shifters and rear derailer combo's on sale at Blue Sky Cycling. My son has a 2012 Rockhopper Comp with the 9spd setup. If I buy the SLX or XT 3X10 shifters and rear derailer combo do I just need to get a 10spd rear cassette or is more involved then just getting a new cog.

    Thanks,

    Mark
    2012 XXL Carve Expert

  2. #2
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    Reputation: Aresab's Avatar
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    You need the cassette as you mentioned as well as a 10-speed chain. You can use your 9-speed cranks and front derailleur. The long thread about Dynasys at the top of this forum has a boatload of information. I upgraded my 9-speed setup to SLX in the exact same manner as I wrote and am using 9-speed Truvativ cranks with a Deore LX 9-speed front derailleur. The setup is working great for me.

  3. #3
    mtbr member
    Reputation: millertm's Avatar
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    Cool, thanks for the info,.

    Mark
    2012 XXL Carve Expert

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