Front Wheel Assembly for the Drive Medical All-Terrain Knee Walker (990X) Side:Left This wheel assembly is compatible

This wheel assembly is compatible with many brands and models of electric scooters

left or right

this is where the battery box "plugs in" or comes apart when needed

Control panel for the Bladez XTR-SA

And speaking of mounting

Front Wheel Assembly for the Drive Medical All-Terrain Knee Walker (990X) Side:Left This wheel assembly is compatibleThe 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)