Harley 18-21 Softail Swingarms

Harley Davidson 2018-2021 Softail Swingarms

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 10 lbs!

Available finishes:

• Bare/Factory finish.
• Black Powdercoat.



• Softail models require an aftermarket brake caliper.
• Arms are available with 3/4 or 1" or 25mm axle.
• Softail arms come complete with spherical front bearings.
• Fits stock or aftermarket shock.

PLEASE NOTE: All Trac Dynamics swingarms are manufactured entirely in the United States and due to the wide variety of arms we make, they are all made to order. Production times can range from 3 to 8 weeks and depend on the model, style and finish of the arm. Please feel free to call if you have a special project or unavoidable deadline, we will see what we can do or what we can offer you.

For a special project, Width, or length, please call 661-295-1956.

All Softail swingarms require the use on an after-market brake caliper and hanger. You can source your own set-up or purchase our PM brake kit below.

CLICK HERE for 4 Piston Brake Kit  

CLICK HERE for Radial Mount Brake Kit