General description 100% Brand New ball bearing kit made of high bearing steel, designed for TT02, TT-02, TT02D, and TT-02D 1/10 RC cars. This kit includes a variety of deep groove ball bearings that are economical and standard, providing less friction for higher speeds and enhanced durability. Technical specifications Material: Steel Color: Silver Package Contents: 80 x Ball Bearing (5x11x4mm) 80 x Ball Bearing (8x12x3.5mm) 160 x Ball Bearing (5x10x4mm) Measurement allowed error: +/- 1-3 cm Installation Easy installation and replacement of bearings. Usage Widely used in RC car upgrades for improved performance. Other information Note: Reflection of light and different displays may cause the color of the item to differ slightly from the real thing.