The outer diameter of this wheel assembly is 16" The tire size is 16x2.4 (64-305)
What’s the diameter of the inside hub?
The measurements of the 6001-2RS bearings inside the hub are 28mm (outer), 12mm (inner) and 8mm wide. The inside of the hub would be 28mm. The front brake disc rotor measures 1-7/8" at the center mounting hole with an overall diameter of 6-1/4".