Now Through the July 7th Get 15% Off All Swingarms! Email: or Text 661-478-2318 To Get The Code And Place Your Order!

Manufactured Performance

Trac Dynamics is proud to be celebrating our 40 year anniversary. From N.H.R.A. championship winning Dragbikes to the most innovative chassis and suspension products for your Sportbike or Harley. we have always put quality first. At Trac we give you what you're looking for, Manufactured Performance.

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What's Hot!

Harley Davidson Swingarms

Hand fabricated, custom made swingarms for Dyna, FXR, RoadGlide and Sportster model Harley's! These all aluminum arms feature machined billet sections coupled with our exclusive bridged extrusions to give you a super strong swingarm at a weight savings of nearly 10 lbs! CLICK HERE to see full selection