Progressive 412-4078 HD 105/150

The Progressive 412-4078 HD 105/150 is a heavy-duty rear shock designed specifically for Harley Davidson motorcycles, particularly those in the Touring model range from 2006 to 2015 (excluding Trike models). This shock measures 13.5 inches from center-to-center eyelet and is engineered to enhance suspension performance while providing a cost-effective solution for riders seeking improved ride quality.

Key Features:

• Durable Construction: Manufactured from high-quality materials to ensure longevity and reliability.
• Adjustable Preload: Equipped with a five-position cam style spring load preload adjuster, allowing riders to customize their ride according to personal preferences and load conditions.
• Heavy Duty Application: Ideal for motorcycles that frequently operate near the manufacturer’s maximum load rating, ensuring optimal performance under heavy use.
• Installation Considerations: When installing on certain models, modifications may be necessary for proper clearance, particularly concerning chain/belt guards and exhaust systems.