The CenterLine design provides a smooth, consistent, and quiet running braking surface. Rounded edges make for easier wheel installs and are UCI-compliant. Features: Compatible with both road and mountain bike brakes. Rounded edges are UCI-compliant and allow for easier wheel installs. Diameter (Rotor) 160mm. Hub interface Center Lock. Rotor Type Centerline. For the rider wanting to improve the performance of their disc brakes, the SRAM Rotor Centerline 2 Piece Centerlock Rounded is a top quality Centrelock standard fit rotor that works to dissipate heat quickly and effectively over the course of your ride. With a two piece setup as standard improving the strength and durability of this rotor, you can benefit from a stronger, more resistant rotor. Designed for SRAM or Avid disc brake system, the SRAM Rotor Centerline 2 Piece Centerlock Rounded is made as a two piece unit that comprises of an alloy centre and a steel brake track for a superior level of strength and durability on the road and under real world conditions. Equipped with a centre lock fitting as standard, this strong and durable rotor disc allows for an improved dissipation of heat, ensuring that you don't experience fade or excessive wear out on the road. A cutaway pattern designed to further boost surface area and increase airflow through the rotor, this item is incredibly.