VELOCITY PRECISION MADE ABEC 11 BEARINGS X 8 PROVIDE THE BEST PERFORMANCE AND TOP DURABILITYNEW STOCK IN,   HAS NEW INCREDIBLE SPIN SPEED,    YOU WILL NOT FIND FASTER,  CHECK OUT OUR FANTASTIC NEW RANGE OF COLOURED SEALS ALL AT FANTASTIC PRICESBEST PRICE ON EBAYFEATURES.MADE AT A DEDICATED BEARING MANUFACTURER .Low-Friction high speed nylon ball retainer with hardened chrome steel balls. Pre-lubricated with racing oil  for a super fast spin.Easy to remove low friction rubber Shields for easy servicing ,cleaning and re-lubrication.Std size 608rs (8x22x7mm). Fits all stunt push scooter wheels,  skateboards Inline,derby & roller skates Bearings are rated on the abec scale from 1 to11 using only odd numbers and are ranked by how smooth they areand how much friction they produceThe higher the ABEC rating, the less friction is involved in the bearing's rotation, thus making wheels spin more freely with very little drag to slow them downPLEASE ALSO VIEW OUR LISTINGS FOR ABEC 11 AND CERAMIC HYBRID BEARINGS