the rim edge.
Bead pressing gripper. A tool intended for use when
mounting the upper bead. It is positioned so that it
engages the shoulder of the rim and maintains the
upper tyre bead inside the well. It is generally used
for mounting low profile tyres.
Air delivery regulator. Union allowing regulation of
the air flow.
Bead breaking. Operation that allows the tyre bead
to be detached from the rim edge.
UK
AS 924 - AS 924 A Operator's Manual
125