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  1. #1
    mtbr member
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    Rear D Shifting on Own

    I'm having an issue with my Rear D on my Spec Enduro 2010. Stock x7 shifters and x9 rear derail. New PG990 cassette.

    Normal riding, the rear shifts fine. Rock gardens its ok too. When I go off a jump or drop, or even sometimes bunny hop over stuff, the rear shifts by itself. The drops are around 2ft. It mostly drops to a lower gear (smaller cog). Anyone know how I can resolve this or what the issue may be.

    No loose cogs, chain wear has been checked. No problems shifting normally. Thanks!

  2. #2
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    Reputation: kingbozo's Avatar
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    Jan 2004
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    You may not have enough cable length to the rear D. There should be"loose" cable underneath the bottom bracket.

  3. #3
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    Quote Originally Posted by kingbozo
    You may not have enough cable length to the rear D. There should be"loose" cable underneath the bottom bracket.

    Thanks for the reply. I checked my cable and it does seem tight, especially for the rear d cable. I'll give it some slack and hope fully it will help. thanks

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