disco freno sram centerline center lockSram Centerline Center Lock Disc brakes feature a main characteristic of a braking track with a perforated central line: instead of classic holes, this design ensures better heat dissipation and resistance to deformation at high temperatures. At the same time, brake noise is reduced. These discs have a rounded profile on the outer part for UCI approval and increased safety in case of falls. Version compatible with AFS Center Lock type lockring.