Features: Made of quality materials, high strength, antirust, nondeformation and durable. CNC machining makes the surface smooth and can prevent abrasion damage. With this adapters, you can change 100*15mm front hun Into 110*15mm, and 142*12mm rear hub into 148*12mm. Comes with necessary fittings, easy to install and use. Useful accessory for bike lovers to DIY bike. Specification: Material: Aluminium Alloy Options: for Front ; for Rear Fit for 100*15mm to 110*15mm(for front), 142*12mm to 148*12mm(for rear) Size: Approx. 5.3 x 5.3 x 0.2cm / 2 x 2 x 0.078inch Weight: Approx. 2833g Package List: 1 x Bike Hub 2 x Washers 6 x Screws Note: Please note that the dimensions of the front and back are different.High Quality Material: The disc brake adapter is made of high quality materials, is high strength, rustproof, deformationfree and durable. High Quality Material: The disc brake adapter is made of high quality materials, is high strength, rustproof, deformationfree and durable. Fine Workmanship: CNC machining makes the surface smooth and can prevent abrasion damage. Useful accessory for bike lovers to DIY bike. Useful Tool: The 6 Hole Bike Hub Adapter Bolt Flange Adapter is a useful accessory for bicycle lovers of doityourself bicycles. Comes with necessary fittings, easy to install and use. Excellent Performance: The Bicycle 6Hole Center Lock Brake Disc / Disc Brake Adapter offers stable performance and high reliability. Exquisite workmanship, stylish and generous appearance. You can buy it with confidence. The product quality deserves your trust. Features: With these bicycle threaded wheel hubs disc disc brake rotor you can change 100 * 15mm front wheel to 110 * 15mm and 142 * 12mm rear hub to 148 * 12mm. High Quality Material: The disc brake adapter is made of high quality materials, is high strength, rustproof, deformationfree and durable. High Quality Material: The disc brake adapter is made of high quality materials, is high strength, rustproof, deformationfree and durable. High Quality Material: The disc brake adapter is made of high quality materials, is high strength, rustproof, deformationfree and durable. High Quality Material: The disc brake adapter is made of high quality materials, is high strength, rustproof, deformationfree and durable.Date First Available: May 31, 2018. Best Sellers Rank: #333,054 in Sports & Outdoors. Customer Reviews: 3.9 out of 5 stars 13 ratings 3.9 out of 5 stars. : B07DFBYKV4. Part Number: ?Vbestlifet8amfysz9e-01. Brand Name: ?Vbestlife. Item Dimensions LxWxH: ?5.91 x 5.91 x 1.97 inches. Package Weight: ?0.03 Kilograms. Item Package Dimensions L x W x H: ?2.91 x 2.24 x 0.24 inches.