Rayne Stoopid Fast Precision Longboard Bearings with Speed Kit (8 Pack), 8mm, Red Non-contact, removable rubber shields protect against dirt - easy cleaning and less friction = high speed High Grade steel Races and balls with Black anti-corrosion treatment for long lasting, fast rolling bearings right outta the box Bearings are pre-lubricated with low friction speed oil and arrive in factory fresh sealed packaging High-precision steel 1.2mm speed rings and 10mm bearing Spacer keep bearings fast and wheels chatter-free in slides -they'll never compress or break Abec 5 bearings fit long boards, Skateboards, inline skates, roller blades, roller skates and scooters