"Door hardware" refers to the various types of equipment or accessories used on a door, such as handles, locks, hinges, and latches. It includes all the necessary components that enable a door to open, close, lock, and be secured. Full definition
The sliding barn door hardware does not look bulky, could I ask where you purchased it? (thepaintedhive.net)
However, not every hardware store can help you with sliding door hardware kits and components. (thedesignitch.com)
So if you want to save even more money on the idea, then try this tutorial for creating your own barn door hardware for around $ 30. (morningchores.com)