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Progressive Suspension 444 Series Shock - 13.5-inch Super-Duty Black (Part #444-4077B)
Regular price $860.95 USD
444 Series Shock - 13.5" - Super-Duty - Black Experience enhanced ride quality with the Progressive Suspension 444 Series Shock, designed for...
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444 Series Shock - 13.5" - Super-Duty - Black
Experience enhanced ride quality with the Progressive Suspension 444 Series Shock, designed for demanding motorcycle applications. Featuring innovative Frequency Sensing Technology (FST), these shocks automatically adjust damping based on bump frequency, ensuring a smoother and more controlled ride on various terrains. The deflective disc valving further optimizes shock response, providing consistent performance and superior handling. Each shock is equipped with a pre-load spring that can be easily adjusted by hand without special tools, allowing for quick customization to rider weight and riding conditions. The shocks include a progressive-rate spring and are high-pressure gas charged, offering reliable performance and durability during extended use.
Made in the USA, these shocks are slightly longer than stock options, which can influence head angle and steering response—potentially providing quicker handling. Conversely, shorter shocks may slow steering and alter geometry. It is important to verify that your wheel travel can accommodate length modifications without causing clearance issues such as contact with the swingarm, exhaust, or chain/belt guard. These shocks are particularly suitable for heavy-duty applications, especially for bikes frequently operating at or near maximum load ratings over 50% of the time, ensuring longevity and performance under demanding conditions.
Constructed with high-quality materials and advanced damping technology, the Progressive Suspension 444 Series Shock is an excellent choice for riders seeking durability, adjustability, and improved handling. Whether upgrading from stock or customizing your motorcycle for aggressive riding, these shocks deliver consistent, high-performance damping tailored to your riding style and load requirements.
Features:
- Frequency Sensing Technology (FST): Automatically adjusts damping based on bump frequency for superior ride quality
- Deflective disc valving: Optimizes shock response for consistent handling
- Pre-load spring: Easily adjustable by hand without tools to customize ride firmness
- High-pressure gas charged: Ensures reliable performance and durability
- Includes progressive-rate spring: Enhances ride comfort and control
- Made in the USA: Quality craftsmanship and reliable manufacturing
- Length variation options: Slightly longer or shorter than stock to modify steering response and geometry
- Heavy-duty application suitability: Designed for bikes operating near maximum load over extended periods
- Important installation note: Verify wheel travel compatibility to avoid clearance issues with swingarm, exhaust, or chain/belt guard
