In 2012, SRAM 'turned it up to eleven' and the MTB world changed, now they have gone a step further with the brand new PC XX1 Eagle HollowPin Chain 12 Speed. Offering a greater range of gears at the back for serious hill climbing a a bigger choice at the front for trail riders and racers alike, SRAM Eagle takes shifting to another level once again. The new XX1 Eagle Chain is both lighter, narrower and stronger than anything that has come before PC XX1 Eagle HollowPin Chain 12 Speed 12 speed specific chain from SRAM Lighter and stronger than 11 speed SRAM Power link for easy removal and cleaning Long lasting SRAM construction