Both modes fail suddenly in use
Power cycle bike. Check battery connection. Inspect controller wiring closely. Escalate for controller/battery fault resolution.
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Some bearings feel gritty or fail soon after use—often only inner bearings are bad
Turn axle by hand with wheels off ground. If grinding/sticking felt, remove axle and visually inspect all four bearings. Replace damaged ones. ENVO can provide warranty bearings as needed.
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