Here are some tips for making your roller skates' wheels last longer:

* Buy high-quality wheels. Higher quality wheels will last longer, but are more expensive.
* Use wheels with hard tires. Harder tires last for longer and are best for use outdoors. However, soft tires have a better grip.
* Rotate your wheels. Roller wheels usually wear unevenly on one side; rotating wheels by switching them between skates will make them wear more evenly and make them last longer.
* If you feel friction or vibration when spinning your wheels, you should replace the bearings. Using rusty or deteriorated bearings can significantly reduce your wheels' life span.
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