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[412 Series] SPRING: Progressive Spring DAMPER: High-pressure gas monotube oil damper PRELOAD ADJUSTER: 5-step adjustment (using preload wrench) [Color] chrome cover / chrome spring [Material] Steel body [Free length] 11.5 inches [Capacity] Right and left set [Ride Height Adjustment Function [Adjustment Range]] No (mm) [Type] TYPE-A
* The image is only for reference. The image shown may differ from the actual product.
We were one of the first to adopt the "progressive structure (unequal pitch) " spring, which also became the company name. You can choose the one that suits your style from various types and lengths.
[HARLEY-DAVIDSON 412 Series] Harley rear suspension standard "412 series The Progressive spring, which initially retracts flexibly and then increases its resilience as more force is applied, the oil damper with high-pressure gas monotube, and the preload adjustment are all features that laid the foundation for not only the Progressive but also the replacement shocks of the 412 series. It is a must-have item for rear shocks that has been loved for many years.
It has a wide range of sizes from 11 inches to 14.25 inches, and is compatible with many models and years. Especially, to realize one of the most attractive features of Harley, "the feeling of crawling on the ground by lowering", Progressive's 11 inches and 11.5 inches are highly supported by users.
Points of Attention
* If there may be an instruction manual included, it will be written in Japanese.
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