What do BST wheels include once purchased?

The BST wheels are designed to fit the same way the OEM wheels fit. They are supplied with:

Steel bearings by World Wide Bearings, spacers and seals pre-installed
External spacers, where required
Air valves
Cush drive (rear conventional swing arm)
Sprocket carrier (rear conventional swing arm)
You will need to buy a sprocket that fits the BST sprocket carrier