Front Wheel Assembly for the Drive Medical All-Terrain Knee Walker (990X) Side:Right The U1 size battery has

The U1 size battery has proven to be one of the best battery designs in the mobility scooter and power chair industry

If your Go-Go is looking like it has seen better days

and quantum power chairs

and permits calibration changes in the control module

Set of two 8" (200x50) front wheel assemblies for the Razor Dune Buggy

Front Wheel Assembly for the Drive Medical All-Terrain Knee Walker (990X) Side:Right The U1 size battery hasThe front wheel assembly for the Drive Medical All Terrain Knee Walker (990X) uses a flat free knobby 16x2. 125 (57 305) tire with directional tread. Because of the tread, this wheel assembly is made in both a left side and a right side configuration. Drive Medical: 990X 07L (left), 990X 07R (right)