Size:160mm Package Dimensions:20 x 20 x 2 cm Size: 180mm Promotions can vary depending on size. EASY TO INSTALL: Well crafted with standard size and fine details, the bike disc brake rotor can be easily installed for use immediately. A blue one, delicate decoration. IDEAL REPLACEMENT: Wonderful replacement for the old and damaged parts, fine workmanship, attention to details, helps you improve the working efficiency! INCREASE HOLLOW DESIGN: Mechanical floating mechanics design for optimal stress angle. Increase hollow design, reduce weight, better discharge sludge, drainage, and heat dissipation. FINE WORKMANSHIP: Made of stainless steel brake discs and aluminum alloy brackets, our rotor is sturdy and durable. All CNC accuracy manufacturing anodizing process provides higher strength, wear resistance, and corrosion resistance. STAINLESS STEEL FLOATING BUCKLE DESIGN: The stainless steel floating buckle design ensures that the outer disc is not directly locked with the hub, leaving room for expansion. Each disc is equipped with 6 screws (including). EASY TO INSTALL: Well crafted with standard size and fine details, the bike disc brake rotor can be easily installed for use immediately. A blue one, delicate decoration. IDEAL REPLACEMENT: Wonderful replacement for the old and damaged parts, fine workmanship, attention to details, helps you improve the working efficiency! INCREASE HOLLOW DESIGN: Mechanical floating mechanics design for optimal stress angle. Increase hollow design, reduce weight, better discharge sludge, drainage, and heat dissipation. FINE WORKMANSHIP: Made of stainless steel brake discs and aluminum alloy brackets, our rotor is sturdy and durable. All CNC accuracy manufacturing anodizing process provides higher strength, wear resistance, and corrosion resistance. STAINLESS STEEL FLOATING BUCKLE DESIGN: The stainless steel floating buckle design ensures that the outer disc is not directly locked with the hub, leaving room for expansion. Each disc is equipped with 6 screws (including).