2-wheeled (single) carriers are used for straight Unitrack and Unibeam track systems. The carrier has flanged ball raced polyurethane tired wheels, a swiveling loop for curtain attachment and the body is molded from MRP (metal replacement polymer) rubber strips form noise resistant buffers. A flat 'keeper' bar also allows runners to be added or removed from any point on Untrack.
Normal spacing is every 12" apart. 55 lb. SWL.
