Heavy duty performance brake rotors designed to enhance braking performance & handle weight of V-Twin motorcyclesDesigned for optimum braking performance and daily aggressive ridingBoth inner carrier & outer disc are machined from high carbon 420 stainless steel for optimum performanceOuter brake disc features a directional pattern with CNC machined soft edges on every surface for a smooth feel & heat dissipationDirectional rotor designLaser cut and ground perfectly flat for optimum performance and feel