Value bundle includes a 2 pack quantity of the Campagnolo Disc Brake Rotors Disc Rotor.2-piece center lock rotors for use with Campagnolo hydraulic brake systems. Available in 160mm and 140mm diameters.EKAR rotors are strong 1.85mm thick stainless tempered steel. Strong, durable, light & resistant to corrosion. Rounded external edge prevents cutting of skin in case of contact with rotor. Inner aluminum spider maximizes heat dissipation. 160mm rear rotor recommended for riders over 180 lbs. Item Specifications: Rotor Size (mm), 160, Hub/Disc Compatibility, Center-Lock Disc, keyword search, EKAR, Pad Compatibility, All Pad Compounds, Rotor Type, Two Piece, Weight, 157,.