Each of the parts in XX1 is actually heavier than their 2x10 counterparts, but the fact that XX1 does away with a chainring, front derailleur, front shifter, along with the associated cable and ...

SRAM’s released its Eagle 12-speed mountain bike drivetrain three years ago, and has since been focused on bringing the 12-speed mountain bike drivetrain to lower price points in the form of the GX ...