FSA K-Force WE 6-Bolt Disc Brake Rotor 160mmThe FSA WE RDB Disc Brake Rotor uses a two-piece rotor design with a forged aluminum carrier for maximum heat dispersion efficiency. The double disc ground stainless steel rub ring helps to increase the overall stiffness while taking on the heat and force from braking on a descent. The rivets and disc screw mount points are countersunk with a rounded edge shape. Weight- 140mm: 100g 160mm: 120g. Available in 140mm and 160mm sizes. Rotors are sold as individuals. This is the 6-bolt version.840031052476