Product Description Technical Information:Mount:Center LockDiameter:140 mm, 160 mm, 180 mm, 203 mmDesign:2-pieceRotor Material:steelSpider Material:aluminiumContents:1 x TRP TR-25 Center Lock Brake Rotor Weight: black-silver | 160 mm: 139 g Manufacturer: TRP Cycling Components 688 W. Amidan Dr. Ogden UT 84404 USA info@trpcycling.com Distributor: MERIDA & CENTURION Germany GmbH Blumenstraße 49-51 71106 Magstadt Germany vertrieb@merida-centurion.com