pivot, axis, fulcrum, center, middle, core, heart, focus, nucleus, kernel, polestar
Humble, lube, mule, helm, hum, bum, hub, hem, he, be...
some have a grease sert on the hub, other wise remove the hub cover, and nut that holds bearings in place, and hand repack,
hub
The hub on the wheel broke when we hit a boulder in the mounty trail.
apple laptops really need a USB hub. USB hub makes your life easier!
only if your willing to risk you wheel falling off. In other words it's not safe.
Paris was a cultural hub.
hub
That is the correct spelling of the programming term "hub site." (The proper noun, a company, is one word HubSite.)
hub
A coaster brake is hub based. Internally geared hubs. Some generators are hub based as well.
Such as hub, do you mean?