Progressive Suspension 444-4067B Heavy Duty 11" Rear Shock 444 Series Black

The Progressive Suspension 444 Series represents the pinnacle of motorcycle suspension technology, engineered for riders who demand superior performance and comfort. These premium rear shocks are specifically designed for Harley-Davidson motorcycles and feature Progressive's innovative Frequency Sensing Technology (FST), which automatically detects bump frequencies and dynamically adjusts damping in real-time for exceptional ride quality across all road conditions.

Key Features:

• Frequency Sensing Technology (FST) - Automatically adjusts damping based on road conditions for superior ride quality
• 11-inch length with heavy-duty progressive rate springs (115/155 lbs/in spring rate)
• Deflective disc valving for precise damping control
• Top-mount threaded preload adjuster - Hand-adjustable without special tools
• Machined billet aluminum end caps for durability and style
• High-pressure gas charged for consistent performance
• Black powdercoat finish with black springs
• Sold in pairs - ready to install
• Hand-built, tuned, and dyno-tested for quality assurance

Each 444 Series shock separates wheel movement from chassis movement, delivering a smoother ride whether you're riding solo or two-up. The tool-free preload adjustment allows you to fine-tune your suspension with a simple twist of the cap, making it easy to adapt to different loads or riding conditions. Perfect for stock ride height or lowering applications, these shocks are backed by Progressive Suspension's Limited Lifetime Warranty.