FEATURESQuantitySet of 8 BearingsDetailsDeep Groove RacewaysStraight Edge Frictionless ShieldsHigh Speed Ceramic OilHand Inspected for QualityDETAILSDeep Groove Raceways 8211; Balls sit and roll deeper in the raceway channels than weaker shallow groove designs.Reduces axial and angular side impact damage and breakage, surfaces stay smooth and fast.Straight Edge Frictionless Shields 8211; Non-contact rubber shields fit deep in the inner race edge- reduces oil leak and dirt amp; moisture intrusion.Free spinning, durable, pop off resistant shields, serviceable, remove-able, easy to clean and re-install.High Speed Ceramic Oil 8211; Oil is blended with nano-ceramic compounds for anti-wear protection for longer lasting bearings and improved speed.Light and smooth- with additives that resist rust, moisture, corrosion and oxidation for prolonged oil life.Hand Inspected for Quality 8211; 100% hand inspected twice and micro-polished and ultrasonic solvent washed 3X prior to final lubrication.Packaged in nitrogen filled shrink-wrap 8211; reduces metal and oil oxidation until ready to be ridden.