Fresh high-speed ball-bearings produced specially for XRAY. ID x OD x degree (mm) = 8x14x4. Few 2 pieces. Top-quality specialist ball-bearings for a super-free, super-smooth drivetrain. These best quality ball-bearings are fitted with unique plastic covers, and so are additionally often degreased and very very carefully filled up with special oil for maximum smoothness, longevity, greatest tolerance and maximum performance.
These ball-bearings have more (and bigger) balls within the cage than the regular ball-bearings, making them more resilient under loads. The medial part covers are really very easy to eliminate for quick and comfortable servicing. These ultra-high accuracy ball bearings are made to withstand all extremes at track under battle conditions or merely fun battle. A "must have in fact" item!
