Adapter for mounted assembly, comprising a reference layer

An adapter for a rolling assembly, the rolling assembly having an axis of rotation and comprising a tire having two beads, a rim having two rim bead seats, and the adapter providing the connection between one of the beads and the rim, and the adapter comprising:

• an axially inner end configured to be mounted on a rim bead seat and comprising an inner reinforcing element and a substantially radial axially outer face;
• an axially outer end configured to come into contact with a bead and comprising an outer reinforcing element and a substantially radial axially inner bearing face;
• and
• a substantially axial body connecting the axially outer end to the axially inner end so as to form a single piece, the body comprising an adapter seat configured to receive the bead and situated near the axially outer end and the body comprising at least one main reinforcement providing the connection between the outer reinforcing element and the inner reinforcing element, the main reinforcement comprising at least one first and one second reinforcing ply which are placed radially relative to one another, each reinforcing ply comprising mutually parallel reinforcers coated in a skim rubber comprising an elastomer composition,
• wherein a layer of elastomer composition is positioned (1) in place of the skim rubber with which the reinforcers of each ply are coated, (2) in place of the skim rubber with which the reinforcers are coated and placed only on an exterior periphery of the first and second reinforcing plies, or (3) on the outside of the skim rubber, and
• wherein the layer of elastomer is a colored rubber, the colored rubber being a color other than black.