XO
New Gear: SRAM XO DH
New for 2012: SRAM's first carbon downhill race crank and DH-specific derailleur.
SRAM X0 Silver: More Bling and Bang
X0 now sexier in silver and easier to spin with 38/24 and 36/22 chainring options
New Gear: SRAM XO 2011
Check out Zach White's author page.