PROGRESSIVE SUSPENSION 444 Series Shocks — 305 mm (12"), rear, chrome – 91-17 Dyna, 01-02, 07-10 CVO

444 Series Shocks

Experience smoother, more controlled rides with the all-new Frequency Sensing Technology (FST). These shocks sense bump frequency and automatically adjust damping for superior ride quality. 🏍️✨

• Frequency Sensing Technology (FST) for automatic damping adjustment
• Deflective disc valving for consistent control
• Hand-adjustable preload—no special tools required
• Progressive-rate spring with high-pressure gas charge for consistent performance
• Made in the USA
• Note: shocks slightly longer or shorter than stock may alter head angle and steering; confirm wheel travel and clearances before installation
• Recommended for heavy duty use when operating near maximum load over 50% of the time

These shocks deliver improved comfort and control across a wide range of riding conditions.