XRAY made High-Speed Ball-Bearing 5x12x4 Rubber Sealed 2 (940512) Rubber Sealed Bearings
Brand-new high-speed ball-bearings produced especially for XRAY. ID x OD x thickness (mm) = 5x12x4. Set of 2 pieces.
Top-quality professional ball-bearings for a super-free, super-smooth drivetrain. These best quality ball-bearings are fitted with original synthetic covers, and tend to be often degreased and gently oiled with AeroShell Fluid 12 oil for optimum smoothness, longevity, highest threshold and maximum performance.
These ball-bearings have more (and bigger) balls inside cage versus regular ball-bearings, making them more resilient under lots. Along side it covers are really easy to expel for simple and fast maintentance.
