Brand-new high-speed ball-bearings produced particularly for XRAY. ID x OD x degree (mm) = 5x8x2.5mm. Band of 2 pieces. Top-quality specialist ball-bearings for a super-free, super-smooth drivetrain. These finest quality ball-bearings are fitted with exclusive synthetic covers, and so are degreased and carefully oiled with AeroShell Fluid 12 oil for optimum smoothness, long life, most useful limit and maximum performance.
These ball-bearings do have more (and larger) balls inside cage in comparison to regular ball-bearings, making them more resilient under lots. The medial part covers are actually an easy task to eliminate for fast and comfortable servicing. These ultra-high accuracy ball bearings are made to withstand all extremes at track under battle conditions and on occasion even simply fun battle. A "must have" product!