Hand fabricated, custom made swingarms for Dyna, FXR, 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!
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Heavy Duty Shock Springs
Suspension Too Soft? Bike Bottoming Out? Tire Hitting Your Bodywork? These are the most common problems when installing a longer swingarm on your custom sportbike. We can help! At TRAC we carry the most complete selection of heavy duty shock springs in the industry. Based on your weight, your type of riding, and the length of your swingarm, we can get you set up with the proper spring every time!
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Shorten your forks the new and easy way with SLAMMERZ by Trac Dynamics. These bolt in cartridge assemblies directly replace the stock internals of your forks and install in minutes with no special tools required! SLAMMERZ are built "in house" at Trac Dynamics and are set up specifically for each model giving you a perfect ride every time. So throw away those dangerous lowering tie-down straps and lower the front of your bike the right way!
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