New high-speed ball-bearings produced particularly for XRAY. ID x OD x thickness (mm) = 10x16x4. Set of 2 pieces. Top-quality professional ball-bearings for a super-free, super-smooth drivetrain. These highest quality ball-bearings are fitted with special rubber covers, and are also degreased and gently oiled with AeroShell Fluid 12 oil for optimum smoothness, long life, highest tolerance and optimum performance.
These ball-bearings have significantly more (and bigger) balls inside the cage compared to regular ball-bearings, making them way more resilient under lots. The medial side covers are really easy to remove for quick and comfortable servicing. These ultra-high precision ball bearings are created to withstand all extremes on track under race conditions and even just fun race. A "must have" product!
