Drilled Front or Rear Brake Rotor For 72-78 Harley FL 41807-73 57030 made with high quality SAE 1010 IV 1020 steel or S420J2 stainless steel to be economical yet have very strong and dependable performanceDiscs are drilled for heat dispersion, weight reduction, wet weather braking and are compatible with all types of disc brake padsNote: Always install new brake pads with new brake discs to ensure maximum disc pad and disc life. See the wheel section for brake pads.V-FACTORDrilled Disc, 10" O.D. & 2" I.D. with indented mount surfaceMount Hole Style: B, Bolt Size: 3/8"Fits FL Front/Rear 1972/Early 1978, FX Rear 1973/Early 1978, FX & Sportster Front 1973 with single disc brakeReplaces HD# 41807-73 DISCLAIMER: By buying this item you are fully acknowledging that you've done your research, checked part numbers, and verified that this part will fit your motorcycle, For more information you can easily look up any new part directly from any manufacturers part numbers and all the part numbers we have been able to cross reference and add to the listing. We do not offer returns View more great items