Progressive Suspension 412-4081B Series Rear Shock Absorbers - 412

The Progressive Suspension 412 Series shocks deliver a significant upgrade over stock motorcycle rear suspension at an affordable price point. Manufactured in the USA from premium materials, these shocks feature a simple yet durable design that enhances ride quality and handling without complexity.

Key Features:

• Five-position cam-style spring preload adjuster for easy ride height and load tuning
• Progressive rate springs that provide plush comfort during normal riding and firmer support under heavy loads
• Available in Standard or Heavy Duty spring rates to match your riding needs
• Durable construction built to withstand demanding conditions
• Sold as a pair for complete rear suspension upgrade
• Made in the USA with quality craftsmanship

Application Notes: Heavy Duty versions are recommended for motorcycles operated at or near maximum load rating more than 50% of the time, including riders who frequently carry passengers or cargo. Before installing shocks with different lengths than OEM, verify adequate wheel travel clearance to prevent contact between swingarm/axle and exhaust, chain/belt guards, or tire interference.

The 412 Series offers an excellent balance of performance, durability, and value for riders seeking improved suspension control and comfort.