Step 2Wagon Hubs
The spokes are much thicker than bicycle spokes.
The wheelchair had solid rubber tires. I wanted pneumatic tires so I took the original rims off and put on aluminum rims and tires from a mountain bike. Fortunately I found rims with the same number of spokes as the wheelchair had.
The spokes were just a little too long and would have popped the innertube, so I ground them down with a dremel tool.
I cut the stub axles off the frame of the wheelchair and welded them to a tube from a bicycle frame.
The axle tube wasn't quite as stiff as I expected so I lashed a 2x4 ontop of it.
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