["Description:\n\nFeatures:\nbrand new and high quality\nMade of high quality alloy, high strength, anti-rust, non-deformation and durable.\nCNC machining makes the surface smooth and can prevent damage from abrasion.\nWith this adapters, you can change the front hub from 100x15mm to 110x15mm, and the rear hub from 142x12mm to 148x12mm.\nComes with necessary accessories, easy to install and convenient to use.\n\nSpecification:\nMaterial: Alloy\nColor: Black+Silver\nOptional Style: A front hub, B rear hub\nSize: As pictures shown.(approx)\nStyle A: 100x15mm to 110x15mm(3.94x0.59in to 4.33x0.59in)\nStyle B: 142x12mm to 148x12mm(5.59x0.47in to 5.83x0.47in)\nQuantity: 1 set\n\nNote:\nTransition: 1cm=10mm=0.39inch\nNo retail package.\nPlease allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid.\nDue to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\n\nPackage includes:\n1 x Bicycle Hub Adpater\n2 x Spacer\n6 x Screws(other accessories demo in the picture is not included.)"]