Electric bike and 2 stroke pocket bike parts. Bearing 6200Z NSK japan brand(Pair) $16 / set of 6200z bearing for electric scooters, 2 stroke pocket bike, 4 stroke pocket bike. metal dirt resist cover. across diameter 30mm, hole diameter 10mm, depth 9mm. for rim pocket bike 49cc fs509 cat-eye, 43cc/49cc SQ-090
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