Sram: Paceline disc brake rotors incorporate the elegant design of our AXS road groupsets and feature a brake track vent design for smooth, quiet braking performance. An aluminum carrier sheds 20 grams compared to the previous generation.FeaturesDesigned for road usePaceline brake track offers quiet brake operation SPECIFICATIONSHub interface Center Lock Diam (Rotor) 140mm, 160mm Rotor Type Paceline Centerlock Colour (RT) Black Rec Lockring SRAM Lockring included