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  1. #1
    mtbr member
    Reputation: sprocket47's Avatar
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    Scandium strength for big guys

    I'm looking at picking up a Niner and was initially interested in the AIR 9 which is made of scandium. In the reviews a couple people commented on the scandium strength for 200+lbs riders. Anyone have experience with this frame material?

  2. #2
    R.I.P. DogFriend
    Reputation: jeffj's Avatar
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    Like most materials used to make frames, it's probably fine if they use enough of it ;~)

    I'd call Niner directly and ask them how they feel about clydes using that frame.

    I don't think Scandium weighs much less per se, they just use less of it. I think mostly because they can butt the tubes further toward the end of the tubes/joints than they can with the other alloys they use.

    How much over 200lbs are you?

  3. #3
    Former Bike Wrench
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    Jeffj hit it right on the nose...Scandium is just a very small amount added to standard Aluminum. What it does is align the grains which increases fatigue resistance.

    IF companies used the same amount of material as a standard frame it would be stronger...but instead they use less material for a lighter (and often) more compliant frame.

    Check with Niner but I'd guess their EMD would be the stronger frame.

  4. #4
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    How much over 200lbs are you?
    More this time of year but around 240.

    Check with Niner but I'd guess their EMD would be the stronger frame.
    The EMD seems a little cheap to me...but that might just be me. The MCD is steel and that seems like a nice option if the scandium won't work.

    I have an email to Niner asking what they think would be best for my size and riding type as well.

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