SRAM Eagle Comparison - How NX, GX, X01 & XX1 components differ

Wondering how SRAM Eagle groups compare? What's the benefit of upgrading from NX to GX to X01 to XX1? How do they make each group better and lighter than the one below it?

All that and more answered here, showing the different materials, designs and features of the cranks, cassettes, shifters, derailleurs and chains for SRAM NX, GX, X01 and XX1 Eagle groups.

Want to know weight comparisons? Check http://www.Bikerumor.com for the full story with actual weights for each part on our scales, just search "SRAM Eagle Comparison" in quotes.