Brand new high-speed ball-bearings produced specially for XRAY XB808. Sealed with plastic seal from side sufficient reason for steel seal from other part. ID x OD x thickness (mm) = 13x19x4. Group of 2 pieces. Top-quality professional ball-bearings for a super-free, super-smooth drivetrain. These finest quality ball-bearings are fitted with unique plastic covers, and are degreased and lightly full of unique grease for maximum smoothness, longevity, greatest tolerance and optimum performance.
These ball-bearings have more (and larger) balls within the cage compared to the regular ball-bearings, making them a whole lot more resilient under loads. The side covers are easy to eliminate for fast and comfortable servicing. These ultra-high precision ball bearings are designed to withstand all extremes on track under racing conditions as well as simply fun racing. A "must have" item!
