I am selling these items as I am retiring from Mini 4WD. ◉ Tamiya NO.111 Round Hole Ball Bearing Set of 4 9mm Ball Bearing Set for Rollers These are 5 sets in total. I offer secure and careful anonymous shipping. I will ship via Yu-packet Post Mini. Please note that I cannot offer discounts, hold items, or sell items separately. If you are paying via convenience store/ATM, please be sure to comment with your expected payment date. If payment is not received within 12 hours, I will unfortunately have to cancel the order.