Trac Dynamics Aluminum Sportster Swing Arm

These all aluminum swingarms feature machined billet sections coupled with our exclusive bridged extrusions to give you a super strong swingarm at a weight savings of over 5 lbs!

Arms are available for most Sportster models, and can be ordered in lengths from stock to 8" over.

Arms are built using the stock size axle for that year, if a different size axle is required, please contact us after placing your order.


Available finishes:

  • Bare/Factory finish.
  • Mechanical Polish.
  • Show Polished.
  • Black Powdercoat.
  • Chrome.


    NOTE! Due to the wide variety of swingarm configurations, all arms are BUILT TO ORDER. Delivery times can range from 2 to 8 weeks.

    For a special project, Width, or length, please call

    All Sportster swingarms require the use on an after-market brake caliper and hanger.

    Black PowderCoat
    Mechanical Polish
    Show Polish