WHEEL SECTION RED PART NUMBERS INDICATE NEW PARTS 5-57 1 2 3 4 5 6 7 8 9 10 11 CONTENTS ELECTRICAL FRAME FRONT END CONTROL WHEEL ENGINE DRIVE TRAIN FUEL EXHAUST GENERAL REFERENCE Features DRILLED BRAKE DISCS FOR BIG TWIN AND SPORTSTER Mount Hole Style and Bolt Size Used (A) (B) 5/16” Note: Always install new brake pads with new brake discs to ensure maximum brake pad and disc life. See 5-51/55or brake pads. 3/8” Disc Mount Hole Style Replaces Polished Satin Model & Year Diameters & Bolt Size HD # Part # Part # Big Twin 1981/Later (except FLT 11 1/2” O.D. B 41789-92 58629 58627 models), Sportster 1979/Later 2.220” I.D. 41797-00 Disc Mount Hole Style Replaces Polished Satin Model & Year Diameters & Bolt Size HD # Part # Part # Big Twin & Sportster 1984/Later with 11 1/2” O.D. A 44136-92 58628 58626 single or dual disc 2.220” I.D. 44156-00 • Includes adapter ring that reduces I.D. to 2” for 1984/1999 models. • Made from 420 stainless steel with a low carbon content. • Drilled for lightweight, water dispersal & improved heat dissipation. • Available with a mirror smooth polished finish or with a machine ground satin finish. • Precision ground for maximum flatness. • Department of Transportation (DOT) approved. • Mounting hardware found on 5-62 . Front Rear Polished Finish Includes adapter ring. Satin Finish Brake Discs Mount Hole Disc Style & Bolt Replaces Brake Disc Complete Model & Year Location O.D. & I.D. Size HD # Part # Hardware Kit Softail, Dyna, and FXR 1992/1999 Rear 11 1/2” O.D. B 41789-92 58642 57120 Note: Will also fit FX, FXST 1981/1991 rear 2” I.D. Button Head Allen and FXR 1982/1991 rear 58300 when used with 1992/Later hardware. Round Head Torx All models 1984/1999 with single Front 11 1/2” O.D. C 44136-84A 58645 57125 disc front brakes (except FXSTS). 2” I.D. 44136-92 Round Head Torx Note: 1984/1991 models use 1992/Later hardware. Note: Always install new brake pads with new brake discs to insure maximum disc brake pad and disc life. See 5-49/56 for brake pads. (B) (C) Mount Hole Style and Bolt Size Used 3/8” 5/16” 3 SPOKE DRILLED BRAKE DISCS FOR BIG TWIN & SPORTSTER Spruce up your spoke, non-spoke or custom wheels with these custom 3 Spoke Directional Brake Discs. Machined from 420 stainless steel plate, these brake discs are heat treated for strength, wear resistance and hardness. Precision ground for trueness, these discs are drilled to reduce weight and provide cooling while reducing brake fade under extreme conditions. These discs have a unique style, increased friction coefficiency and excellent wear characteristics. Note: Polishing or chrome plating will severely alter discs performance and is not recommended. DOT Approved
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