The BBS Unlimited hub-side centering ring set with 57.1mm inner diameter and 77mm outer diameter in dark red is a hub centric kit that centers wheels on the vehicle hub to reduce vibration and ensure proper seating. Sold as a set, the dual-dimension specification and color coding simplify matching rings to wheel bores for reliable installation.
BBS Unlimited Hub Side Centering Ring SET 57.1mm / 77mm OD - Dark Red