8"x2" (200x50) Solid Front Wheel Assembly for the Drive Phoenix 4 Mobility Scooter (S350100) Massimo Buck 250 you get the replacement knob

you get the replacement knob as well

0" Currie Street V-Groove Tire

00-10 tubeless pneumatic tire with knobby dual sport tread for recreational style mobility scooters

If you need a replacement controller for the Amigo HD450 or RD (310000) mobility scooter

8"x2" (200x50) Solid Front Wheel Assembly for the Drive Phoenix 4 Mobility Scooter (S350100) Massimo Buck 250 you get the replacement knobHere is the correct replacement 8" solid front tire wheel assembly for Drive Phoenix 4 scooters. Solid means totally flat free dependability. This is the genuine Drive Medical part. In the very early days of the Drive Phoenix 4, grey tires were used. Those have since become obsolete and now these non marking black tires are the new standard. Drive Medical: S350100