※ Instant purchase OK On sale, price reduced from 2999 yen to 2444 yen 【NSK (Nippon Seiko K.K.) Made-in-Japan High-Performance 520zz Ball Bearings, Set of 20】 Specs: MC2 Outer Diameter: 5.0mm Inner Diameter: 2.0mm Thickness: 2.5mm This is a high-performance product with the least play and rolling resistance among the currently available 520 bearings. Since they have not been degreased, please perform basic maintenance such as cleaning with a cleaner and lubrication before use. The bearings are stored in a humidity-controlled storage according to the manufacturer's storage standards (see images 2 and 3). If you wish to purchase a quantity other than 20, please feel free to inquire in the comment section. We will create a dedicated listing for you. 【Price by Quantity】 10 pieces: 1333 yen 20 pieces: 2444 yen 30 pieces: 3555 yen 40 pieces: 4666 yen 50 pieces: 5777 yen 100 pieces: 11111 yen Discounts are available for multiple purchases of other products or the same product, so please inquire in the comment section. Search terms: Charger Discharger Carbon Pera tires (likely a specific type of tire) Processing Flex (likely referring to a type of chassis modification) Anodized Jig Fence car (likely a type of racing car) Super Four-Wheel Drive (likely referring to a type of model car) Mini 4WD