???Precision CNC Construction??This mountain bike cassette freewheel is crafted using advanced CNC technology, offering a sleek, hollowed design that is ultra-lightweight without compromising durability ???Premium Material Composition??Made from a combination of 7075 aluminum alloy and high-strength steel, this cassette achieves the perfect balance of lightweight construction and robust durability ???12-Speed HG Hub Compatibility: ??Designed for HG cassette hubs, this freewheel is compatible with 12-speed drivetrains, including DEORE M6100, SLX M7100, XT M8100, XTR M9100, SX, NX, GX, XX1 EAGLE, and more ???Enhanced Performance??Engineered to deliver smooth and precise shifting, this freewheel enhances the overall efficiency and reliability of your bike?��s transmission system ???Lightweight Advantage??The hollowed CNC design significantly reduces weight, making your mountain bike lighter and more agile without sacrificing the strength needed for rugged trails and tough rides Specifications: ?Applicable freehub typ: HG freehub ?Material: 7075 aluminum alloy + high-strength steel (maximum 3 gears) Package included: ?1 x Bike Cassette Freewheel