SwissStop Catalyst One Disc Rotor - 180mm CenterLock Silver. The SwissStop Catalyst One Disc Rotor is designed to provide simple but powerful braking. Engineered for optimum heat dissipation and reliable performance from cyclocross to downhill.

Features the tested and proven Catalyst brake ring

1.95 mm thickness

Compatible with all sintered and organic pad compounds

Optimized for SwissStop EXOTherm2 and Disc RS