Originally Posted by phragle
to pull the front hubs to check the brakes, throw some grease in there and in the rear, to grease the splines on the sprocket and brake hubs along with the the wheel hubs. not to mention checking the wheel bearings and axle bearings once a season or so.... all reasons for the wheels to come off a couple times a year.
If they are so tight that you cant get them loose they are either
A. corroded
B. Improperly torqued