Super-Pro Swingarms

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Super-Pro Aluminum Swingarms

For over 25 years, Trac Dynamics has been setting the world wide standard in custom swingarm manufacturing. Here at Trac we build more aftermarket swingarms than anyone on the planet, and for for three good reasons: Quality, Performance, Value. Our quality begins in the manufacturing process. All arms are made "in house" at our facility using our exclusive bridged extruded aluminum alloy material along with precision cnc machined billet components. These parts are then hand fit and assembled using the most technically advanced welding system available today. The performance of our products are legendary, since the mid 80's racers around the world have trusted the name "Trac Dynamics" to give them the advantage they need to perform at the top level of their sport. Our value speaks for itself, when you make an investment in the customizing of your motorcycle, rest assured you are getting the most for your money. Here at Trac our Swingarms are built to stand the test of time, and your satisfaction is always guaranteed!

Super-Pro Arms are a "top of the line" swingarm designed for the customer who wants the best money can buy and is looking for ALL the options! Super-pro Arms are designed for both the street And the strip, giving you a great looking arm for your custom ride as well as all the performance you need at the track.


Super-Pro Alumi-Trac Swingarms are available in many lengths, fit stock brake components, and come complete with:

  • Rear axle and adjusters
  • Bearing kit
  • Chain guides (sliders)
  • lower Loop Support
  • Incorporated Air Tank
  • Nitrous Bottle Bracket
  • Chain Guard



    • "Length over" represents the maximum the swingarm will adjust over the stock swingarm for that year and model. Standard Trac swingarms usually have between 2 and 3 inches of adjustment, so a 10 inch over arm will be adjustable from approx. 7 to 10 inches over stock.

    • Never fill your air tank over 160 lbs!

    • Trac nitrous bottle brackets fit almost all 2 lbs and 2.5 lbs bottles.

    • Please allow allow 2-3 weeks for delivery of polished or black swingarms. 3-5 weeks for chrome.

  • In a hurry? Order your arm "BARE" for the quickest delivery times.

  • For racing applications, please visit our SUSPENSION section to get the most out of your new arm.