Amazing high-speed ball-bearings produced created for XRAY. ID x OD x depth (mm) = 5x9x3. Number of 2 pieces. Top-quality professional ball-bearings for a super-free, super-smooth drivetrain. These best quality ball-bearings are fitted with exclusive synthetic covers, and so are degreased and very very carefully oiled with AeroShell Fluid 12 oil for maximum smoothness, longevity, most useful threshold and maximum performance.
These ball-bearings have more (and larger) balls inside cage set alongside the regular ball-bearings, making them more resilient under lots. The medial side covers are actually very easy to eliminate for fast and comfortable servicing. These ultra-high accuracy ball bearings are manufactured to withstand all extremes at track under competition conditions additionally just enjoyable rushing. A "must have really" unit!
