The 9x3.50-4 gray foam-filled (flat free) mobility tire with C203 Grande Knobby tread from Primo fits a number of mobility scooters and power chairs, and simply cannot go flat. This size tire is used as the rear tire for some mobility scooters, as well as being compatible with the front wheels of first-generation Golden Technologies Companion II scooters. If you are in doubt, please refer to our Compatibility tab for a list of known models that can uses this superior non-marking gray rubber tire.
Use as a replacement for your original equipment solid tire or replace your old pneumatic tire. Pneumatic air-filled tires can typically be replaced with foam-filled flat-free tires of the same size very easily.
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