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)

The Bopper features a semi-slick directional tread pattern derived from racing slicks for exceptional adhesion in corners and optimal performance on front or rear wheels

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The easy to install brake comes complete with the black rubber lever knob

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