● LED shining theory: cutting magnetic line between magnetic core and metal inside the wheel while rolling
● Powered by cutting magnetic line motion, no battery, about half year lifespan
● Material: 600 copper coils, wear-resistant PU wheel body, highly magnetic core
Size and Weight:
72mm diameter: 25mm thickness, 82g single one
76mm diameter: 25mm thickness, 92g single one
80mm diameter: 25mm thickness, 103g single one
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Please Contact Contact Customer Service For All The After Sale Question, We Will Contact With You Within 24 Hours.