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  1. #1
    mtbr member
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    Oct 2007
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    Octalink Chain guide compatability

    Looking to throw a chainguide and bashring on my 08 Rockhopper 29er since I've already destroyed the big ring, but I'm struggling to find one that is compatible with my bottom bracket( Shimano BB-ES25 octalink spline). It looks like I need a new bottom bracket, and then most likely a new crankset to go with it. Am I correct to assume this, or is there some way to put one on with the stock setup? I would like to run the Blackspire Dewlie, or something similar that will function with the middle and inner chainring. Thanks in advance.

  2. #2
    mtbr member
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    Oct 2007
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    Since no one could help me here, I checked with the LBS. According to them, the Shimano BB-ES71 is the only E-type Octalink compatible bottom bracket(no longer in production?).

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