Durable, rebuildable, and proven. Ride anywhere with the wide-range PG-1210 11-50t Eagle cassette. Splined driver body compatibility means widespread acceptance among wheel manufacturers, while replaceable E-MTB "speed limit" gears let riders maximize the life of their drivetrain.Features Common E-MTB "speed limit" gears (11t-13t-15t) cogs are replaceable Splined driver body compatibility - no XD driver required 11-50t range Specifications Speeds: 12 Gearing: 11-50t Cog sizes: 11, 13, 15, 17, 19, 22, 25, 28, 32, 36, 42, 50 Driver body interface: Splined 8/9/10 (Shimano HG) Technology: PowerGlide (PG) Chain technology: Eagle Drivetrain configuration: 1x Cog finish: Black SRAM Model ID: CS-PG-1210-B1