New kit is released forT4 BD . This new and exclusive kit is ZZ shielded, (steel), that ensure the best combo for smoothness and protection!
All the ball bearings are lubricated with oil instead of grease in order to have immediate high speed and smoothness performance!
4x High-Speed Ball-Bearing 10X15X4 ZZ
8x High-Speed Ball-Bearing 5X10X4 ZZ