Fresh high-speed ball-bearings produced especially for XRAY. ID x OD x depth (mm) = 5x10x4. Set of 2 pieces. Top-quality specialist ball-bearings for a super-free, super-smooth drivetrain. These best quality ball-bearings are fitted with unique plastic covers, and they are degreased and carefully oiled with AeroShell Fluid 12 oil for optimum smoothness, longevity, greatest threshold and maximum performance.
These ball-bearings have more (and bigger) balls in cage when compared with regular ball-bearings, making them more resilient under lots. Along side it covers are really easy to expel for fast and comfortable servicing. These ultra-high precision ball bearings are made to withstand all extremes within track under competition conditions as well as just fun race. A "must have" item!
