GZP St. steel rotor disc drilled FX 81+

Fits all FX and Softail 1981-1999 rear, Sportster 1979-1999 rear and FXR 1982-1999 rear11.5" outer diameter, 2" inner diameter and 3/8" countersunk mounting holes (OEM 41791-79A), Drilled stainless steel

Available in both a high quality heat treated steel and a high-performance chromium alloyed stainless steel. Rotors are precision ground for trueness. Stainless steel rotors are surface induction hardened with a 12-14% chrome contents for superior wear characteristics on full standard A1S1 #420 stainless steel plate. Steel rotors are heat treated for stress release, wear resistance and guaranteed hardness. All are available in plain and drilled style and are compatible with all types disc brake pads including sintered metal. Drilled rotors provide better braking in wet weather, reduce weight and have a better heat transfer.