8-1/2" x 2" Solid Tire with Original Tread Pattern for Hiboy® S2 & S2R Electric Scooters Permobil Playman/Robo This Height Adjustment Knob is

This Height Adjustment Knob is compatible with the Drive Medical Rollator with 6" Wheels (R800)

hub and of course the solid tire itself

1997-2010 models

and the internal wiring

with its race inspired tread design

8-1/2" x 2" Solid Tire with Original Tread Pattern for Hiboy® S2 & S2R Electric Scooters Permobil Playman/Robo This Height Adjustment Knob isThis 1 2" x 2" solid tire for Hiboy S2 and S2R electric scooters uses the same original tread pattern design that Hiboy installs on their brand new scooters. Solid rubber tires offer a flat free ride in spite of the road hazards that would puncture a traditional pneumatic design. In addition, the shallow street tread has been optimized for the hardtop pavement. Note: Hiboy is a registered trademark of Freeman Investment Holdings Limited. The new parts