The tire have a urethane outer skin and a foam core.
Tread grooved for better a grip.
The nylon hub, reinforced and ribbed, is extremely resistant and
equipped with two hard plastic inserts in its center. The inserts are
bored to 6mm.
Wheels NONA are delivered with ball bearings which can be assembled
instead of the inserts. The interior ring of the bearing is reamed with
Light wheels, which can support heavy loads without going flat, which does not remove from rim, and which turns perfectly round.
Delivered in pair.