When I used a wheelchair to get around it turned out they used crap bearings for stock builds. To get it easier to push you had to upgrade to precision bearings and others were pushing bearings made of bone. I lucked out and found roller blade bearings were precision and fit the castors as well as the big wheels in the rear. I would buy a pack of razor wheels to use for castors indoors and changed them frequently to keep it looking nice and rolling well.
Now that I think of it I even attached a bike meter to measure speed and miles traveled. If I had kept a diet log I could do some Miles Per Gut measurements.
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Originally Posted by Goldenstate
It will also be interesting to see what they have done to the wheel bearings. Perhaps they included the new ceramic technology to kick things up a notch.
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