Progressive Suspension PS-412-4405B 412 Series 13" Heavy Duty Spring Rate Rear Shock Absorbers Black for Street 15-Up [INTERNAL]

Features:

• 412 Series Shock
• Exceptional value for the price.
• Simple, durable design that improves upon the original.
• Double-wall steel body construction.
• Nitrogen-charged, multi-stage velocity-sensitive valving.
• Smooth and consistent damping performance.
• Multi-position, cam-style preload adjuster.
• Progressively wound spring.

Tech Tips:

• Standard spring rates are ideal for riders weighing under 110kg.
• Heavy-duty spring rates are recommended for riders over 110kg or those who frequently ride two-up (over 50% of the time).
• If upgrading to longer or shorter suspension, ensure that changes in suspension travel won’t cause clearance issues.
• Performance suspension upgrades deliver superior handling with a stiffer, more controlled ride.

Proudly made by Progressive Suspension!