Navigate to the "Config > Tyres"

Select the "General" tab. Under the "Web Pricing" section, configure your markup settings.

You can create new price brands for the relevant markup criteria "Category," "Cost," and "Rim Size" on the "Mark Up" tab.

When creating a new price brand, ensure to select "Web" in the markup type dropdown. This will indicate that this rule applies specifically to tyres sold through your website.

Adjust your base configuration for tyres sold online as needed.

Save your changes.