Where is this used ?
Air spring ?
Can't find any reference to it in the Lyrik (solo air DH) tech manual.
I have not seen any use for it on Rock Shox product for many years.
Rollin With No Colon!
The Bike Whisperer
Crohn's and Colitis Foundation of America
It was used in the pos/neg air chambers.
Bushing Tool, RWC NB Tool & DU Bushings 4 Sale
Truing Stand Adapters 4 Sale