Premium Racing Bearing (4-p)

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Premium Racing Bearing use high temperatures oil type for high-speed rotation and realizing a maximum lighter drive train.

Their special construction with a protective black rubber seal on the outer side and a super low-friction steel inner shield on the side maximum protection against the elements while optimising the drive train efficiency compared to all-rubber shielded ball races. (DK-10503ZZ is metal shielded)

Premium Racing Bearing makes them especially useful in demanding applications such as all category.