The arrangement and dimensions specifying how a wheel attaches to a vehicle’s hub is a critical aspect of wheel fitment. For the Alfa Romeo Giulia, this specification details the number of lug bolts, the diameter of the circle they form, and is typically expressed as a numerical value such as 5×110. This means five bolts are arranged on a circle with a 110mm diameter. Selecting wheels with the incorrect specification can lead to unsafe operating conditions and potential damage to the vehicle.
Proper wheel fitment ensures safe and efficient transfer of power from the drivetrain to the road. The specified arrangement provides optimal load distribution and prevents stress concentrations that could lead to component failure. Historically, variations in this specification have reflected advancements in vehicle design and performance requirements. Using the correct specification maintains the structural integrity of the wheel mounting system and preserves the vehicle’s handling characteristics.
