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The Progressive Suspension 444 Series Shock Absorber, part number 444-4002B, is designed to enhance motorcycle handling and ride comfort with advanced features. This 13-inch shock incorporates the innovative Frequency Sensing Technology (FST), which detects the frequency of bumps and automatically adjusts damping for optimal performance. This results in a smoother ride across various terrains and improved stability. The shock features deflective disc valving, providing precise control and responsiveness, and a pre-load spring that can be easily adjusted by hand without the need for special tools, allowing riders to customize their ride with ease. Included is a progressive-rate spring, which ensures consistent performance under different loads, and the shock is high-pressure gas charged for reliable damping consistency. Made in the USA, this shock is engineered for durability and long-lasting performance. Slight modifications in length can influence steering dynamics; shocks slightly longer than stock may lead to quicker steering and a minor change in head angle, while shorter shocks may result in slower steering. Before installation, verify that your wheel travel can accommodate length changes without risking contact issues with components such as the exhaust, chain or belt guard, or tires. Heavy-duty applications are recommended for bikes frequently operating at or near maximum load capacity, ensuring the shock can handle demanding riding conditions without compromise.
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