WP AER 48 Air to Spring Conversion Kit

(39-3 Series Spring Sold Separately)

The highly-anticipated Air2Spring system has been designed to replace the original air system fitted in these latest Off Road models.
This simple design allows you to remove the original air spring system and replace it with a more conventional spring system.  This direct replacement spring system requires no machining to install and features external spring preload adjustment. The system also comes with a hydraulic bottoming device which protects the rider on hard landings.
Features:
Direct replacement (No machining required).
Hydraulic bottoming device.
External spring preload adjustment.
Wide range of spring rates.

WP AER 48 Air to Spring Conversion Kit 2021-current

(39-3 Series Spring Sold Separately)

The highly-anticipated Air2Spring system has been designed to replace the original air system fitted in these latest Off Road models.
This simple design allows you to remove the original air spring system and replace it with a more conventional spring system.  This direct replacement spring system requires no machining to install and features external spring preload adjustment. The system also comes with a hydraulic bottoming device which protects the rider on hard landings.
Features:
Direct replacement (No machining required).
Hydraulic bottoming device.
External spring preload adjustment.
Wide range of spring rates.