ORIGINAL: The Collector1
So how can it be called a roller if it cant roll? It should be called a chassis set.
Makes sense to me!
Common Defenition: by Wikipedia, Dictionary, Miriam Webster etc.
roll·er/ˈrōlər/Noun:
1. A cylinder that rotates around a central axis and is used in various machines and devices to move, flatten, or spread something.
2. Roller (machine part), a cylindrical machine component or a component of a roller bearing.
3. One that rolls or performs a rolling operation or activity.