BOSCH Front Brake Disc Chevrolet Optra , New Optra \ Chery A5
Height (unpacked)= 46.9 mm
Diameter (unpacked)= 256 mm
Number of holes= 4
Hub diameter= 60
mm Maximum thickness= 24 mm Minimum brake disc thickness= 22.4
mm Coating (oiled)
Disc thickness variation (DTV)= 15
µm Lateral runout= 50 µm
Pitch circle diameter= 114.3 mm Surface type (oiled)
Brake disc version (ventilated) Maximum mounting hole diameter= 12.5 mm