SRAM recently unveiled the next evolution of its 1×12 drivetrains. The new GX Eagle, XO1 and XX1 Eagle groups feature a wider, 520-percent range thanks to its new 10-52t cassettes. While this range is a welcome change for some mountain bikers, this introduction brings with it many questions and some compatibility issues.

Here’s what will work together and what won’t, according to the drivetrain experts at SRAM.


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