Feature:1. Hollow out design, reduce weight, easy to install and use.2. Steel freewheel have strength and durability, Fine freewheel selection for precise adjustment.3. Convenient to upshift and downshift, fast and steadily.4. Professional manufacturing, directly replace your old or broken one.5. Wonderful bicycle accessory for mountain bike.Specification:Item type: Bike Cassette FreewheelCondition: 100% brand newMaterial: High tensile strength steelWeight: Approx. 521gColor: silverSpeed: 8 speed Teeth quantity: 11-40T  .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List:1 x Freewheel2 x Gear ring1 x Locking ring

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