New high-speed ball-bearings produced specially for XRAY. ID x OD x thickness (mm) = 8 x 14 x 4. pair of 2.
Top-quality professional ball-bearings for a super-free, super-smooth drivetrain. These highest quality ball-bearings are fitted with unique plastic covers, and are usually degreased and gently oiled with AeroShell Fluid 12 oil for maximum smoothness, longevity, highest tolerance and optimum performance. These ball-bearings have more (and larger) balls in the cage compared to regular ball-bearings, making them significantly more resilient under lots. Along side it covers are really easy to eliminate for quick and comfortable servicing. These ultra-high accuracy ball bearings are designed to withstand all extremes on track under race conditions if not simply fun racing. A "must have" product!
