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The Progressive Suspension 412 Series Shock, model 412-4007C, is engineered specifically for Harley-Davidson models, offering a reliable and cost-effective upgrade to your motorcycle's suspension system. With a 12.5-inch length, these shocks provide improved ride comfort and handling, making them an excellent choice for riders seeking enhanced performance without extensive modifications. The durable design features a full chrome cover that not only enhances the aesthetic appeal but also ensures longevity and resistance to the elements. The shocks are made in the USA, adhering to high manufacturing standards and quality control.
The 412 Series shocks come equipped with a five-position cam-style spring preload adjuster, allowing riders to easily dial in their preferred ride height and stiffness. This feature ensures optimal handling whether you're cruising, touring, or handling rougher terrain. The shocks are rated for heavy-duty applications, making them suitable for bikes operated near their maximum load capacity over 50% of the time. It is important to verify that your wheel travel can accommodate shocks of different lengths without causing clearance issues with components such as the chain or belt guard, especially on '86-'15 XL models where modifications may be necessary.
Choosing between full chrome or black covers, as well as chrome or black springs and end caps, allows customization to match your motorcycle's style. Slight variations in shock length can influence steering characteristics—longer shocks may provide quicker steering, while shorter shocks can offer a more relaxed turn-in. These shocks are suitable for street and off-road use, with some models approved for road use; always consult the latest certification for compliance. Proper installation and adjustment will ensure your Harley-Davidson maintains optimal handling, comfort, and safety on every ride.
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