Sold in sets of 16 bearings. 
 
Bones Reds are the best selling skate bearings, because they offer near Bones Swiss performance at a fraction of the cost. These bearings don't have an Abec rating, but are skate rated, because they were created for skates and not for machines.
 
Features
Single, non-contact, removable rubber shield for easy cleaning and less friction
High speed Nylon™ ball retainer for greater strength and speed
Pre-lubricated with Speed Cream™ racing lubricant
Skate Rated™ clearances, tolerances, materials and lubricant provide the best performance and durability possible