SRAM GX Eagle T-Type XS-1275 Cassette - 12-Speed, 10-52t, For XD Driver, SilverFrom its massive 520% gear range, the 52 tooth cog steps down with improved gear progression with 44 and 38 tooth cogs in the low end (compared to the Eagle drivetrain 10 52 tooth cassette) 55mm chainline compatibility for more moderate chain angle, longer wear and greater precision Featuring a clearly marked Setup Cog, install is both simple and fool proof Utilizes a Pindome design for gears 1 8 and a single piece mini cluster for gears 9 12 Nickel