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XX1 dinner plates!
A while back there was some talk about the SRAM XX1 1x11 system.
Well - I thought some might be interested that I had my hands on this stuff in the flesh today and man... that cassette is HUGE.
I really don't like the look of this and reckon 2x10 is gonna be a lot better bet for most people (in fact, 3x10 still seems very popular too).
Enjoy the pics below... in the first I'm holding both crank (37) and cassette (11-42) in one hand even though it looks like that crank must be sat on a shelf some way behind. Nope... the cassette really is HUGE 
I managed to get a shot of the drive-train in the 11T cog, but the SRAM dude came along and asked me to stop pissing about with it before could get one of it in the 42 cog. I reckon the RD [ oh, sorry - there is only one derailleur in this system, eh? ] is going to be perilously close to the ground when it's in that given the size of that thing!
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Damn, that is huge. Thanks for the update.
Don't know if you read my last post, but ive had great success with 1x10 speed: 32 x 11-36.
That bike will need a chain guide etc. Before i put mine on the chain was jumping off all the time on the smaller cogs.
As for the RD, i know on a 36t it sits pretty low and stretched, and yeah, it is a bit of a trap for sticks etc. Got a bunch caught in there Saturday... as usual. Got a Saint RD on the way which has an ultra short cage since its designed to be 1x10 only.
... is the answer to Life, the Universe and Everything
Anyone know the BCD on that front spider? And the chainline?
Pretty good article about it here;
http://www.nsmb.com/5494-sram-xx1-on-trail
Sounds like the 2 issues raised above have been addressed, ie the rear derailler seems to shift on a flat vertical path, so it shouldn't drop too low, and the front ring has special grippy teeth so it doesn't actualy need a guide ( although I still reckon a bash ring would be good)
As a XO 1 x 9 rider looking to upgrade drive-train soon I think the idea and execution is good. The downside is the huge cost and that it's all proprietary, right down to the new rear hub you'll need, so you have to buy the full set or nothing. If I was a sponsored elite rider I'd be there in a heartbeat. In the real world I will take the XO 1 x 10 path with a 11-36 cassette and a type 2 derailleur for a fraction of the cost and use my existing wheels and chainrings
Yeah, I guess it kinda negates the argument about dropping weight by losing a chainring up front when they're adding it all back onto the cassette. Methinks that SRAM are just trying to make 42 the next big thing ($$$) after 29?
But then again, I'm still riding 3x9 on a 26", what would I know?