Brand new high-speed ball-bearings produced especially for XRAY. ID x OD x degree (mm) = 8 x 14 x 4. pair of 2.
Top-quality specialist ball-bearings for a super-free, super-smooth drivetrain. These best quality ball-bearings are fitted with exclusive synthetic covers, and are usually often degreased and incredibly carefully oiled with AeroShell Fluid 12 oil for optimum smoothness, longevity, best threshold and optimum performance. These ball-bearings have significantly more (and bigger) balls on cage in comparison with regular ball-bearings, making them significantly more resilient under lots. The medial part covers are actually easy to expel for fast and comfortable servicing. These ultra-high precision ball bearings are made to withstand all extremes on the right track under battle conditions if you do not merely enjoyable competition. A "must have actually" item!