REDS are manufactured in China to our Bones Skate Rated™ specifications in a manufacturing facility dedicated to producing the highest quality skate bearings in China. They are inspected twice before being shiped to skaters and offer the greatest combination of performance , durability and low cost in the industry. Because they offer near Bones Swiss performance at a fraction of the cost, they have become the best selling bearing brand in the U.S.A. - 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.