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Whether you’re an hour and twelve minutes into a World Cup XC or, just about to hit the top of Pearl Pass, the premier SRAM XX1 Eagle group is ready to perform. This cross-country-optimized drivetrain combines Sram's newest generation of 1x drivetrain technology with incredibly lightweight materials. SRAM XX1 Eagle delivers smooth, precise shifting with greater durability, so you can spend more time in the gear you want. 1x12 doesn't get any better than this.