
The two piece reducer hardware assembly is made up of two reducers, pressed into either side of a DU bushing that is pressed into the shock eyelet.
What's DU bushing - Sliding Bearing
Brief introduce of DU bushing material structure and DU bush type
Du Bushing: Cycling | eBay

Fox Shox Polymer Du Bushing Reducer Kit - Jenson USA

To The Point - Bushings - Pinkbike
What are the advantages of using a bushing versus a sealed cartridge
..... pivoting component in most bikes is the DU bushing in the shock.
DU Self-Lubricating Bearings, du bushings - Metal Polymer ...
DU
self-lubricating bushings: GGB DU® is the world's most successful
self-lubricating bearing combining dry & mechanical properties of
metal & PTFE.
Metal Polymer Composite Bearings - DU Bushing | GGB ...

Plain Bearings & Self-lubricating Bushings | GGB Bearing ...

What's DU bushing - Sliding Bearing

DU Bushing and Needle Bearing Shock Tool
