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The Progressive Suspension 412 Series Shock is specifically designed for Harley-Davidson models, offering a reliable and cost-effective upgrade to your motorcycle's suspension performance. Crafted with durability in mind, this shock features a simple yet robust design that enhances ride quality and handling. Its black finish adds a sleek appearance to your bike while providing excellent protection against the elements. The 12-inch length and heavy-duty construction make it suitable for riders who demand improved comfort and stability during their rides. Whether you're on the open highway or navigating city streets, this shock absorber is engineered to provide a smoother, more controlled experience. The shock includes a five-position cam style spring load preload adjuster, allowing you to easily dial in your ride height and firmness to suit your riding style and load conditions. This feature ensures a customized ride, whether you prefer a softer feel for comfort or a stiffer setup for handling performance. All shocks are made in the USA and measured from center-of-eyelet to center-of-eyelet, ensuring proper fitment for Harley models. When installing on '86-'15 XL models, some modifications such as spacing the chain or belt guard may be necessary to ensure clearance. Slight variations in length can influence steering characteristics—longer shocks may lead to quicker steering, while shorter shocks could result in slightly slower handling. Heavy-duty applications are recommended for bikes often operated near maximum load ratings, ensuring durability under demanding conditions. Before installation, verify that your wheel travel can accommodate shocks of different lengths without causing clearance issues with components such as the swingarm, exhaust, or tires. This shock is available in multiple styles, including full show-chrome or black covers, and with either chrome or black springs and end caps, allowing you to customize your bike’s look to match your style. Overall, the Progressive Suspension 412 Series Shock is an excellent choice for riders seeking a durable, adjustable, and visually appealing suspension upgrade that enhances ride quality on Harley Dyna models.
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