SwissStop Catalyst Race Disc Rotor - 140mm CenterLock Silver/Black CheckoutSpec= 20x110mm Boost TA picking your way through technical

picking your way through technical chutes

commute to work plan longer trips or simply discover the joy of cycling

for consistent braking performance

} For the times when the weather doesnt want to cooperate with the forecast

SwissStop Catalyst Race Disc Rotor - 140mm CenterLock Silver/Black CheckoutSpec= 20x110mm Boost TA picking your way through technicalSwissStop Catalyst Race Disc Rotor 140mm CenterLock Silver Black. 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 Aluminum alloy spider provides increased stiffness New spider