Brand new high-speed ball-bearings produced especially for XRAY. ID x OD x depth (mm) = 13x19x4. Pair of 2 pieces. Top-quality professional ball-bearings for a super-free, super-smooth drivetrain. These best value ball-bearings are fitted with unique plastic covers, and they are degreased and gently filled with unique oil for optimum smoothness, stamina, best threshold and optimum performance.
These ball-bearings have significantly more (and larger) balls inside the cage compared to the regular ball-bearings, making them much more resilient under lots. The medial side covers are really easy to remove for fast and comfortable servicing. These ultra-high accuracy ball bearings are manufactured to withstand all extremes throughout the track under race conditions or even simply fun battle. A "must have" item!
