Day after day, this is the best of the Eagle ecosystem. GX Eagle combines the full features of Eagle technologies in a group that unlocks the potential of every build. Here you will find the best aluminum MTB crankset we produce. GX Eagle has its version of our new 520% range, 10-52t cassette, for higher top speed or a more comfortable climb if you choose to run it. Otherwise, GX Eagle is backward compatible and makes spare parts available. Like other Eagle groupsets, it gets its main group color as part of our new Eagle Colorsystem, allowing for full or fully curated group builds. It is the simplest, most trouble-free drivetrain system ever made, offering the freedom to pair with any component within the expanded Eagle ecosystem.