[Aluminum Alloy] - Crafted from premium aluminum alloy, this freehub body offers exceptional strength, durability, and resistance against rust and . It guarantees a long and reliable service life.[Bike Accessory] - This lightweight and compact freehub body is a perfect accessory for both mountain and road bikes. Its versatile design allows for easy installation and removal anytime, anywhere.[Replacement Part] - This bike freehub body is a replacement for SHIMANO 11 speed bikes. It effectively replaces old or damaged bike accessories, ensuring optimal performance.[2 Bearings] - Featuring a 2 bearings design, the 11-speed bike freehub body ensuresand efficient performance. It also comes with a washer for quick and easy installation and replacement.[Fine Processing] - The bike freehub body is meticulously polished and ground to achieve a robust structure. This enhances its overall strength, providing improved fastening reliability for a secure riding experience.Spec:Item Type: Freehub BodyProduct Material: Aluminum AlloyStructure: 2 BearingsApplication: For SHIMANO 11 speed, if 8-10 speed, 1.85mm washer needs to be addedHole Diameter: Approx. 15mm / 0.6inPackage List:1 x Freehub Body1 x Washer