Alfa Romeo 166 Wheel Lug Pattern, Offset ET & Center Bore Reference

The Alfa Romeo 166 features a specific wheel lug pattern designed to ensure proper fitment and performance. This reference provides detailed information on the lug count and pitch circle diameter (PCD), along with the offset (ET) and center bore for each production year.\n\nTypically, the Alfa Romeo 166 uses a 5×110mm lug pattern, which is fundamental when selecting compatible rims or aftermarket wheels. The offset (ET) ranges commonly from ET35 to ET40, balancing the wheel position within the wheel arch for optimal handling.\n\nCenter bore size is equally important for wheel fitment, and for the Alfa Romeo 166, it is generally around 65.1mm. Correct rim sizes vary depending on the model year and trim level, but standard options include 16 to 18 inches in diameter.\n\nFor anyone looking to replace or upgrade wheels on the Alfa Romeo 166, consulting this year-sorted lug pattern catalog ensures compatibility and maintains vehicle safety and aesthetics.