The SwissStop Catalyst Pro disc rotor has been engineered to provide optimal heat dissipation while providing powerful braking and superior durability. The two-piece design consists of a 7075-T6 aluminum alloy spider and SUS410 stainless steel brake track to balance light weight with reliable thermal management and structural performance.Optimum heat dissipationReliable performance for a variety of riding styles including road cyclocross cross country and downhillHigh durability even in the toughest conditionsCompatible with all sintered and organic pad compounds but optimized for SwissStop EXOTherm2Vibrations are minimized by the geometry of the brake pad contact areaFeatures wear out indicators - small divots on the surface show when it is time to replace the rotorAccepted by the UCI for road competition Rotor Size (mm) 140, 220 Rotor Type Two Piece Pad Compatibility All Pad Compounds Hub/Disc Compatibility 6-Bolt, Center-Lock
