Xstage and Xstage lite bearing unit is used to connect your pole tubes to the stage base.
These are OLDER style bearing units, compatible with XST160 style stage bases.
Get To Know Your X-Stage Bearing Unit "Like" X-Pole USA on Fac...
Gap Between X-Stage Bearing Unit and Base Frame "Like" X-Pole ...
Transitioning Between the X-Stage Standard and the X-Stage Lit...