I recently purchase the Meta Box Pro plugin. I am wondering if any of folks understand the problem I am facing. I have created custom post named "Motorcycles" and created Road and Superbikes as subcategory and assigned to post entry.
When I view the post entry, the url structure look like this domainname.com/motorcycles/sample-post
What I am hoping for this plugin to achieve is to have domainname.com/motorcycles/road/superbikes/sample-post
Your question is an advanced question, and it's quite complicated since it relates to WordPress Rewrite API. Our plugins don't handle that work. However, you can find some solution on the internet. Here are some of them: