High-speed ball-bearings manufactured designed for XRAY. ID x OD x degree (mm) = 6x12x4. Quantity of 2 pieces. Top-quality expert ball-bearings for a super-free, super-smooth drivetrain. These best quality ball-bearings are fitted with unique synthetic covers, and tend to be degreased and gently oiled with AeroShell Fluid 12 oil for optimum smoothness, longevity, greatest restriction and optimum performance. These ball-bearings have more (and larger) balls inside the cage versus regular ball-bearings, making them more resilient under lots. The medial part covers are really an easy task to get rid of for fast and comfortable servicing. These ultra-high precision ball bearings are created to withstand all extremes within track under battle conditions including just enjoyable battle. A "must have really" item!
