Vehicles with selectable four-wheel drive
can be using free-wheel hub
to shut down the entire
drive train (drive shafts, differential) in 2WD mode.
Less wear on the drive-train
and the front-tires,
Easier driving and less
because less roll-resistance.
free-wheel-hubs have the advantage, that you know,
if they are switched or
Always control both sides and turn on in