180s and 170s are all that's offered.
Please donate to IMBA or your local IMBA chapter. It's trail karma.
I'd really like to get these, but 170mm are all that's left. I've always used 175mm. I'd go with 180mm if they had them, but I'm not sure about 170mm arms.
Checkout EBay seller 'Crosslakesales'
I just got an XT 771 crankset from them for about that price. I sold the rings and have about $100 into it.
Dang, I didn't think about Crooslakes. That's funny, I saw your rings for sale. I just purchased a new XT M770 crankset from a member here.
Crosslakes doesn't have much of anything.
The original link is busted, but Jenson is now selling this C/S for $169.