Really, no moving parts or any magnets...
Look at your current inline skate mileage indicator. You must have up to 16 magnets per one wheel set. Or you must install a magnet every time when changing or rotating the wheels. Magnets comes out from wheels on rough surfaces.
What do you think about...
- ...use any bearings you want, even micro bearings!
- ...you don't need to drill any holes on wheels!
- ...no extra work when rotating the wheels!
- ...avoid the risk of "magnets" getting loose!
It is possible. It is PanuWorld InMile 07.
PanuWorld InMile ...
InMile 07 ...
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