Features1 Bearing: 12 speed hub tower base utilizes NBK bearings to ensure the stability and durability of the product. These bearings ensure superior stability and durability even under the most demanding riding conditions. 212 Speed Design: The 12 speed design provides a wider range of riding options for different road conditions and trips, and the versatility provided by the 12 speed system all ensures a slick and enjoyable riding experience. 3Flexible Operating: The micro spline freehub features a ratchet design for flexible operating, slick and quick shifting. Say goodbye to awkward shifting and enjoy a smoother, more responsive ride. 4Application: Using our micro spline driver can increase the stability and load carrying capacity of the product. This innovative accessory not only improves the overall performance of the bike hub micro spline, but also ensures a safer and more reliable riding experience. 5Bore: The Freehub body has a 15mm aperture and supports 12mm thru axle or 5mm quick release levers. This versatile design ensures compatibility with a wide range of bike components, allowing cyclists to choose according to their needs.SpecificationItem Type: MicroSplineFreehubMaterial: Aluminum AlloyModel: MS048Structure: Ratchet system with 2 pawlsFreehub: CNC machined, anodizedHole Diameter: 15mm. Supports 12mm thru axle or 5mm quick release skewerPawls: 18/36/54/60TLockring: M34x1.0-26TPackage List1 xMicroSplineFreehub1 x Accessory