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The Progressive Suspension 412 Series Shock is designed specifically for Harley-Davidson models, offering a simple yet durable upgrade to enhance your motorcycle's suspension performance. With a focus on cost-effective improvements, these shocks are ideal for riders seeking reliable handling and comfort on the road. The 12.5-inch shock features a five-position cam-style spring preload adjuster, allowing you to easily fine-tune your ride quality to match your riding style and load conditions. Made in the USA, these shocks are built to last, with options for full show-chrome or black covers and springs, providing versatile styling choices to match your bike’s aesthetic. All shocks are measured from eyelet to eyelet, ensuring proper fitment for compatible Harley models. When installing on '86-'15 XL models, some modifications to the chain or belt guard may be necessary to ensure proper clearance. The slightly longer or shorter shocks can influence steering characteristics; longer shocks may provide quicker steering, whereas shorter shocks may result in a more relaxed ride. Heavy-duty applications are recommended for bikes operated near or at the manufacturer’s maximum load capacity over 50% of the time. Before upgrading, confirm that your wheel travel can accommodate the new shock length without causing clearance issues such as contact with the swingarm, exhaust, chain/belt guard, or tires, to maintain optimal performance and safety. These shocks are approved for road use, and current certifications should be reviewed for compliance. Overall, the Progressive Suspension 412 Series Shock provides a robust, adjustable, and stylish upgrade for Harley riders seeking improved handling and durability.
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