Progressive Suspension 444 Series Shock - 12.5 Inch Heavy-Duty Chrome for Motorcycles

The Progressive Suspension 444 Series Shock with a 12.5-inch length is engineered for heavy-duty motorcycle applications, offering enhanced durability and performance. Featuring the innovative Frequency Sensing Technology (FST), these shocks automatically adjust damping by sensing the frequency of bumps encountered during riding, resulting in a smoother and more controlled ride experience. The deflective disc valving further optimizes shock response, providing consistent damping across various terrains. An adjustable pre-load spring, which can be fine-tuned by hand without any special tools, allows for easy customization to match rider weight and riding style, ensuring optimal comfort and handling.

Constructed with a high-pressure gas charge, these shocks maintain consistent performance over time, resisting fade and ensuring reliable damping. The inclusion of a progressive-rate spring enhances shock responsiveness, delivering a comfortable ride on rough surfaces while maintaining stability at higher speeds. Made in the USA, the PROGRESSIVE SUSPENSION 444 Series Shock is designed to fit a variety of motorcycle models, but users should verify that the shock length and travel are compatible with their bike to avoid clearance issues such as contact with the exhaust, chain or belt guard, or tires. Slight variations in length can influence steering response, with longer shocks providing quicker steering and shorter shocks offering slower response.

Heavy-duty applications are recommended for bikes frequently operating at or near maximum load capacity, typically over 50% of the shock’s rated load. Proper installation and compatibility checks are essential to ensure optimal performance and safety. Whether upgrading for improved ride quality or increased durability, the PROGRESSIVE SUSPENSION 444 Series Shock is a reliable choice for riders seeking enhanced handling and comfort in demanding riding conditions.

Features:

• Frequency Sensing Technology (FST): Automatically adjusts damping for superior ride quality

• Deflective disc valving: Provides consistent shock response and damping

• Pre-load spring: Easily adjustable by hand without special tools

• High-pressure gas charged: Ensures consistent performance over time

• Progressive-rate spring: Enhances ride comfort and stability

• Made in the USA: Quality manufacturing and craftsmanship

• Compatibility considerations: Slight length variations may affect steering and clearance; verify fitment before installation

• Heavy-duty design: Suitable for bikes operating at or near maximum load capacity