In stores integrated with AutoSync, product variations can be generated/grouped together automatically while importing product data from AutoSync.

AutoSync deals with just two types of products: wheels and tires. These product types each have a standard set of attributes that are used to describe the product size. The same kind of wheels/tires in different sizes is considered a product line, and the individual items in this product line will be treated in X-Cart as variations of the same product.

For example, after importing products from AutoSync, we have a number of No.19 C Chrome product items in our store's catalog. We can see them on the storefront:

and in the store's backend:

These items will be considered a product line, and if we choose to open the details of any of them in the X-Cart store's backend (the Variations section), we will find that they are all listed as variations of the same product.