The SwissStop Catalyst Pro Disc Rotor is the most lightweight rotor option from SwissStop. The two-piece rotor does not sacrifice performance, and features a spider design that offers improved aerodynamics.

• The SwissStop Catalyst Pro Disc Rotor is the most lightweight rotor option from SwissStop. The two-piece rotor does not sacrifice performance, and features a spider design that offers improved aerodynamics.
• 12% lighter than Catalyst Pro
• Two-piece construction
• Brake ring dimensions are optimized for race pads
• 1.8 mm thickness