Progressive Suspension 444 Heavy Duty Shocks - 13.5" - 444-4073B

Experience superior ride quality and consistent performance with Progressive Suspension's 444 Series shocks. These shocks are engineered with Frequency Sensing Technology (FST) to automatically adjust damping based on the frequency of bumps, providing a smoother and more controlled ride. The heavy-duty design ensures optimal performance, especially for bikes frequently operating near their maximum load capacity.

Description

The 444 Series shocks from Progressive Suspension feature deflective disc valving and a progressive-rate spring, offering a significant upgrade over stock suspension. The pre-load spring is easily adjustable by hand, eliminating the need for special tools. High-pressure gas charging ensures consistent performance, mile after mile. Made in the USA with meticulous attention to detail, these coilover monotube shocks provide enhanced stability and handling for a variety of riding conditions. Their heavy-duty construction makes them ideal for motorcycles regularly carrying heavy loads.

Features & highlights

• Experience superior ride quality with Frequency Sensing Technology (FST) that automatically adjusts damping.
• Enjoy easy, tool-free pre-load spring adjustments for personalized comfort.
• Benefit from consistent performance thanks to high-pressure gas charging.
• Progressive-rate spring enhances stability and handling.
• Heavy-duty design is ideal for bikes operating at or near maximum load rating.
• Made in the USA, ensuring high-quality craftsmanship and materials.
• Deflective disc valving contributes to a smoother, more controlled ride.

Technical specifications

• Brand: Progressive Suspension
• Product Name: Shock Absorber
• Series: 444 Series
• Mounting Position: Rear
• Color/Finish: Black
• Duty: Heavy Duty
• Type: Coilover Monotube
• Adjustment Style: Automatic
• Spring Type: Single Progressive Rate
• Progressive Spring Rate: 2.59 kg/mm - 3.57 kg/mm (145 lb/in - 200 lb/in)
• Extended Length: 343.00 mm (13.50")
• Reservoir Location: Internal

Important to know

Shocks slightly longer or shorter than stock may alter the head angle and affect steering. Before purchasing, confirm that altering wheel travel will not cause clearance issues (e.g., swingarm/axle to exhaust contact). These shocks are sold as a pair.