The Progressive Suspension 412 Series Shocks 11.5in (412-4011B) deliver a simple, durable upgrade for improved rear suspension performance. Featuring a five-position preload adjuster and available with standard or heavy-duty progressive springs, they let you fine-tune your ride for comfort and control. Built in the USA and sold in pairs, they're a smart, cost-effective replacement choice.

Features:

• Manufactured from the finest materials available
• The 412s simple, durable design makes them a cost effective improvement to your motorcycles suspension performance
• A five position cam style spring load preload adjuster lets you easily dial in your ride
• Available with either a standard or heavy duty progressive spring rates
• Sold in pairs
• Made in the USA
• Many fitments are available in either Standard or Heavy Duty. HD applications are recommended for bikes that are operated at or near the manufacturers maximum load rating over 50% of the time.
• Before purchasing or attempting to install shocks that are different than the OEM length, confirm that your wheel travel can be altered without causing clearance issues such as swingarm/axle to exhaust contact as well as chain/belt guard or tire contact.
• Heavy-Duty

Harley-Davidson
Disc Glide - FXRDG • 1984
Low Glide - FXRS • 1984-1985
Low Glide Custom - FXRC • 1985
Low Rider Chrome - FXRC 1987
Low Rider Convertible - FXRS-CONV 1990-1993
Low Rider Sport - FXRS-SP 1986-1993