Progressive suspension 412 Series 11" Twin Shock Standard Duty

Progressive suspension 412 Series 11\" 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.

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