Garbaruk 12-speed cassette (SRAM XD freehub)Garbaruk cassettes: lightweight, rigid and durable monoblock performer in the ever evolving 12 speed package. As per our field tested recipe, we mill 11 steel cogs out of a single piece of heat treated steel and add a securely fitted 48 50 52T aluminum cog, milled out of 7075 series aluminum alloy and color anodized What Garbaruk 12 speed cassette for XD freehub provides is everything you expect from the highest performing MTB drivetrain plus lower