Unique high-speed ball-bearings produced especially for XRAY. ID x OD x depth (mm) = 6x10x3. Few 2 pieces. Top-quality expert ball-bearings for a super-free, super-smooth drivetrain. These best value ball-bearings are fitted with unique artificial covers, and are also degreased and gently oiled with AeroShell Fluid 12 oil for optimum smoothness, longevity, best threshold and optimum performance.
These ball-bearings have significantly more (and bigger) balls inside cage compared to the regular ball-bearings, making them far more resilient under lots. The inside covers are actually very easy to remove for fast and comfortable servicing. These ultra-high accuracy ball bearings are made to withstand all extremes within track under race conditions and just enjoyable competition. A "must have" product!
