Originally Posted by ktmakis
Right ! check the wheel bearings for loose and if they're ok just open the caps and add some grease.
I change mine every year just to be sure.
This depends on the type of bearing. Alko Hubs have sealed bearings, best thing to do is to jack it up and spin the wheels, if the bearings grumble/rumble/hum/dont sound smooth, they need changing.