Note you see wheelchairs made in all sorts of configurations for competitive sports
At the LBS a couple years ago a customer
wanted to get rid of the institutional never go flat foam rubber innertube
and put a regular pneumatic tube in it .
Asking the medical supply shop down the street they said we ship them out to change tires
A machine like the car tires get installed with may be there..
so we cut up the tire and that rubber ring..
the wheel and hand ring were a one piece thing,
Skyway one manufacturer of that sort of thing, molded in Fiberglass filled Nylon..
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