SRAM, GX Eagle XG-1275, Cassette, Speed: 12, 10-52T, Black

* X-GLIDE™2 improves both inboard and outboard shifting, as well as chain retention* Super wide 10-50t gear range—a perfect fit for any ride* Optimized gear steps across entire range* FULL PIN™ technology uses eleven lightweight, stamped steel cogs and one 50-tooth aluminum cog held together with high-strength stainless steel pins* Open design aids in mud clearance