Progressive Suspension 444-4003C Series Shocks with FST Technology for Harley-Davidson

The Progressive Suspension 444 Series shocks represent a significant advancement in motorcycle suspension technology, featuring innovative Frequency Sensing Technology (FST) that automatically adjusts damping in real-time as you ride. This breakthrough design allows the shocks to sense the frequency of bumps and road irregularities, dynamically adapting damping characteristics to deliver superior ride quality across varying conditions.

Key Features:

• Frequency Sensing Technology (FST) automatically adjusts damping based on road conditions
• Deflective disc valving for precise damping control
• Hand-adjustable spring preload with no special tools required
• Progressive rate springs provide smooth, controlled compression
• High-pressure gas charged design ensures consistent performance
• Chrome finish for classic styling

Built on the proven foundation of Progressive's legendary 440 Series with IAS, these 444 Series shocks deliver exceptional comfort and control for Harley-Davidson riders. Each set includes a pair of shocks and is backed by Progressive Suspension's Lifetime Limited Warranty, ensuring long-term reliability and performance.