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The Progressive Suspension 412 Series Shock is designed specifically for Harley-Davidson models, offering a reliable and cost-effective upgrade to enhance your motorcycle's suspension performance. With a simple yet durable design, this shock absorber improves ride quality and handling, making it suitable for a variety of riding conditions. Featuring a five-position cam-style spring preload adjuster, it allows you to easily customize your ride height and firmness for optimal comfort and control.
The 412 Series Shock is available with various styling options, including full show-chrome or black covers, as well as chrome or black springs and end caps, providing aesthetic versatility to match your motorcycle's look. Made in the USA, these shocks are measured center-to-center eyelet to eyelet, ensuring precise fitment on compatible Harley models. When installing on '86-'15 XL models, some modifications or spacing of the chain or belt guard may be necessary to ensure proper clearance and operation.
A slightly longer shock than stock can alter the head angle slightly, resulting in quicker steering response, while a shorter shock may produce somewhat slower steering. Heavy-duty applications are recommended for bikes that operate near or at the manufacturer's maximum load rating more than half the time, providing added durability and performance under demanding conditions.
Before choosing shocks that differ from the OEM length, it is important to verify that your wheel travel can be adjusted without causing clearance issues such as contact between the swingarm, axle, exhaust, chain or belt guard, or tires. Proper installation and the right shock choice can significantly improve your motorcycle's handling, comfort, and overall riding experience, ensuring a safer and more enjoyable ride every time.
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