Features1CNC PROCESS: Made of aluminum alloy and CNC process, featuring fine workmanship, light weight, high strength, not easy to get rusty, not easy to corrode, and good toughness. Standard six spike disc brakes with 44mm hole spacing for more stable disc installation. 2HIGH STRENGTH CASSETTE BODY: Features high strength cassette body, which has high hardness, high temperature resistant, impact resistant, not easy to deform and warp. 3SEALED BEARING: Features good sealing performance, no fear of wind and rain, lubrication without obstruction, maintain high stability, giving you a smooth riding experience. 4ANODIC OXIDATION PROCESS: The surface of the main body adopts anodic oxidation process, which is scratch resistant and abrasion resistant, with bright color, not easy to lose color, and smooth surface. 5APPLICABILITY: This front 2 rear 5 bearing hub adopts front 100MM, rear 135x10MM open gear quick release design, suitable for different frame specifications.SpecificationItem Type: Cycling HubMaterial: Aluminum AlloyNumber Of Holes: 32 HolesOpen Gear: Front 100mm, Rear 135x10mmPackage List2 x Hub7 x Accessory