1x Mechanical Mountain Bike Disc Brake Rotor 180mm Front and Rear HS1 GSEFeatures: 100% Brand new and high quanlity Size: 180mm Material: Stainless steel With 6 bolts Avid HS1 Rotor Pattern: Standard， 6 bolt patternPackage Includes: 1x Bike Disc Brake Rotor 180mm Front and Rear HS1