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The Progressive Suspension 412 Series Shock is designed specifically for Harley Davidson FXD models, offering a straightforward and durable upgrade to your motorcycle's suspension system. Its robust construction enhances ride comfort and stability, making it an ideal choice for riders seeking reliable performance. The 412's simple design ensures ease of installation and maintenance, providing a cost-effective solution to improve your bike's handling and ride quality. Features include a five-position cam-style spring preload adjuster, allowing you to easily fine-tune your suspension to match your riding preferences and load conditions. This adjuster helps achieve optimal ride height and comfort, whether you're cruising or carrying extra gear. The shocks are manufactured in the USA and are available with various styling options such as full show-chrome or black covers, as well as chrome or black springs and end caps, enabling you to customize the look of your motorcycle. All shocks are measured from center-of-eyelet to center-of-eyelet, ensuring compatibility and proper fitment. When installing on '86-'15 FXD models, it may be necessary to modify or space the chain or belt guard to ensure adequate clearance and prevent contact with other components. Slight variations in shock length from stock may alter the head angle, providing either quicker or slower steering responses, depending on the adjustment. Heavy-duty applications are recommended for bikes operated near the maximum load capacity over 50% of the time, ensuring durability and performance in demanding conditions. Before selecting shocks that differ from OEM length, verify that your wheel travel can be adjusted without interference from components such as the swingarm, axle, exhaust, or tire. This ensures safe and effective installation with optimal ride quality. Whether enhancing comfort or handling, the Progressive Suspension 412 Series Shock is a reliable upgrade tailored for Harley FXD riders seeking performance and customization.
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