PROGRESSIVE SUSPENSION 412 Series Shock - 12" - Standard - Black - FL/FX 412-4013B

Stock Harley shocks compromise handling and comfort, especially when you're pushing your bike hard or carrying a passenger. The Progressive 412 Series delivers tunable suspension performance with a simple, proven design that lets you dial in exactly the ride height and stiffness your bike needs. Built for durability and real-world reliability, these shocks give you the control to match your riding style without breaking the bank.

Key Features:

• Five-position preload adjuster
• CNC-measured center-eyelet-to-center-eyelet
• TüV approved (current certification applies)
• Bolt-on installation
• Fits FL/FX models
• 12-inch length
• Black finish
• Heavy-duty rated
• May require chain/belt guard clearance modification on 1986-2015 XL models
• Slightly longer length increases head angle for quicker steering response

Fitment Note: Before installation, verify wheel travel clearance to prevent swingarm, exhaust, chain guard, or tire contact. Shock length affects steering geometry—confirm compatibility with your specific model.