Progressive Airtail Shocks

[hdskitz]

Air chamber shock swing arm moves up and down. When standard progressive shock on doesn't move at all - it is like standard is to powerful.
Any assistance would be great.

 

[Jack Klarich]

Air chamber shock swing arm moves up and down. When standard progressive shock on doesn't move at all - it is like standard is to powerful.
Any assistance would be great.

Airtail Suspension System for Harley Davidson Softails does this help any?