Progressive 412 Series 11,5″ Twin Shock Standard Duty



The 412s simple, durable design means they will be an improvement to your motorcycle’s suspension performance for as long as you are riding it.

Fitments: 04-20 Sportster, except 09-10 XR1200, 10-12 XR1200X

  • All Steel double wall damper with multistage velocity sensitive damping
  • 5-position cam style preload adjuster
  • High Pressure Gas Charged for consistant damping performance
  • Standard or Heavy-Duty progressive rate springs