This is a new bearing similar to the original Bones Swiss bearing, with a re-designed inner race and two labyrinth seals. These seals are non-contact and float in a groove machined in the inner race to make sure there is no added friction.
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- Set of 8 bearings
-- Pre-lubed with Speed Cream
-- 4 bearing spacers
-- Instructions
-- Sticker

You may notice that some skateboard bearings have an ABEC rating that refers to the bearings precision. The rating was developed not for skateboards, but for machines, so many manufacturers don't even bother with the ABEC rating. The ABEC numbers range from 1-9 using odd numbers only. An ideal rating for skateboards is between 3 and 5

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