Magnum Shielding MS-AS37006 Sterling Chromite Stock Length Lower Front Brake Line for Harley-Davidson Dyna Fat Bob 12-17/Dyna Low Rider 14-17/Low Rider S 16-17 w/Dual Front Disc CaliperDescription for Magnum Custom Sterling Chromite II Designer Series ABS Dual Disc Lower Brake Line AS37006 This Sterling Chromite II ABS Designer Lower Assembly is manufactured for DUAL DISC Dyna ABS brake systems only. Specifically for FXDF Fat Bob models. Ultra low expansion brake line construction is designed specifically for ABS system requirements. ABS models utilize a two piece design consisting of a direct bolt on lower assembly used in