New high-speed ball-bearings produced specifically for XRAY. ID x OD x depth (mm) = 12 x 18 x 4. Set of 2.
Top-quality professional ball-bearings for a super-free, super-smooth drivetrain. These finest quality ball-bearings are fitted with unique synthetic covers, and generally are degreased and gently oiled with AeroShell Fluid 12 oil for maximum smoothness, longevity, highest threshold and optimum performance. These ball-bearings have more (and bigger) balls inside the cage versus regular ball-bearings, making them much more resilient under lots. Along side it covers are easy to eradicate for fast and comfortable servicing. These ultra-high precision ball bearings are made to withstand all extremes at track under race conditions or just fun race. A "must have" item!
