Sram: Paceline disc brake rotors incorporate the elegant design of our eTap AXS road groupsets and feature a new brake track vent design for smooth, quiet braking performance. FEATURES Designed for road use Paceline brake track offers quiet brake operation SPECIFICATIONS Diam (Rotor): 140mm, 160mm Hub interface: 6-bolt Bolt material (RT): Steel Color (RT): Black Rotor Type: Paceline