looking for bash guard for a 94mm with odd BCD- Mtbr.com
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  1. #1
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    looking for bash guard for a 94mm with odd BCD

    Hi there,

    New to this forum and in need of help! I have a bike with a shimano deore fc m6000 crankset(94 mm, 26-36T, 2x10speed) and Im looking for a bash guard to protect the chainring, but the BCD it has is pretty rare.

    Does anybody know if it even exists for this crankset??
    looking for bash guard for a 94mm with odd BCD-deore.jpg
    Thanks.

  2. #2
    since 4/10/2009
    Reputation: Harold's Avatar
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    What's the bike? Do you have iscg tabs on the frame? Is the bb threaded or press-fit?

    The thing is, "bash rings" are less and less common because there are fewer and fewer cranks like this where you can replace the big ring with a bash. More and more companies are offering dedicated 1x cranks with direct mount chainrings.

    I wouldn't say that this bolt pattern is "rare". It's super common for Shimano, and they've been using it long enough on the Mx000 series cranks for it to trickle down to Deore at least. But, its introduction came after bash rings were already on the decline, so not surprised you're having trouble finding one with this particular bcd.

    The questions I asked above are related to whether you could get a taco bash to fit. I've been using taco style bash guards for years now. They mount to the frame with either iscg tabs, or some offer a bb mount much like an e-type front derailleur. They require a threaded bb, though. Press-fit bb's are no go.

  3. #3
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    Are you sure it's not 96mm BCD https://bike.shimano.com/en-EU/produ...-M6000-2.html? It seems that 94mm BCD is usually with a 5 bolt crank.

    Here's a 96mm bash guard, just in case: https://www.blackspire.com/product/ring-god-96mm/

    Tim

  4. #4
    since 4/10/2009
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    Quote Originally Posted by Wombat View Post
    Are you sure it's not 96mm BCD https://bike.shimano.com/en-EU/produ...-M6000-2.html? It seems that 94mm BCD is usually with a 5 bolt crank.

    Here's a 96mm bash guard, just in case: https://www.blackspire.com/product/ring-god-96mm/

    Tim
    crank requires an "asymmetric" bolt arrangement, whereas that blackspire is symmetric and therefore it won't work.

  5. #5
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    It might be easier to just get a slightly older 3x crankset like an XT with even bolt spacing and replace the big ring with a guard, then replacement rings will be cheaper too. My fs bike has xtr with that bolt spacing, I'd prefer it had non proprietary bolt spacing and I'd have more chainring choices. I converted my 3x m970 XTR on my old hardtail to 2x with a bashguard, - but I don't think I've ever whacked the bashguard on a log or anything else, so unless you're sure you need a guard, consider testing without one.
    skidding is the signature of the novice; learn how to use your brakes.

  6. #6
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    Maybe they could make you one???


    https://bbgbashguard.com/

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