Brocks Swing Arm Dyna Models

  • Sale
  • Regular price $1,289.00


  • 07-17 Dyna Model
  • Shed 50% of unsprung weight vs OEM swingarm
  • Unequaled craftsmanship, engineering and weld quality
  • Replaceable, Aurora™ PTFE® lined spherical bearings pre-installed
  • 6061-T6 aluminum extrusion for dependable strength
  • DOM (Drawn Over Mandrel) seamless tubing axle
  • Includes 11/16” and 3/4” pivot shaft bushings
  • Choose from 3/4", 25mm, 1" or 28mm axle and blocks
  • Reversible billet aluminum axle adjusters and grade 5 steel adjuster bolts prevent axle slide (engraved with Brock's Performance logo)
  • Interior swingarm width measures 10 11/16" at the axle
  • DuPont™ Delrin® chain sliders
  • Black Polyester TGIC Powder Coated Finish (see technical for more info)
  • Includes chain guard
  • Proudly made in the USA
  • Weighs only 15.20 lb. (see product details for more info