General description 100% Brand New sealed bearing kit designed for Arrma 1/10 Big Rock 3S, Typhon 3S, Granite 3S, and Senton 3S BLX RC cars. Made of high bearing steel, these deep groove ball bearings are economical and standard, providing less friction for higher speeds and enhanced durability. The special non-contact double rubber seals effectively keep out dirt while ensuring friction-free performance. Technical specifications Material: Steel + Rubber Color: Black Package Contents: 1 x RC Car Ball Bearing (15x21x4mm) 8 x RC Car Ball Bearing (12x18x4mm) 7 x RC Car Ball Bearing (10x15x4mm) 4 x RC Car Ball Bearing (6x12x4mm) 4 x RC Car Ball Bearings (5x10x4mm) 2 x RC Car Ball Bearings (5x8x2.5mm) Measurement allowed error: +/- 1-3 cm Installation Easy installation and replacement of bearings. Usage Widely used in various RC car models for improved performance. Other information Note: Light reflection and different displays may cause the color of the item to differ slightly from the