No more shields to get damaged or pop off
No shield grooves in either race for no crud, dust and dirt build up
Super fast sound and spin
Fast, Slick & Non-Stick - Tungsten Coated Races
Micro-thin tungsten dry lubricant coating is fast, slick and non-stick to minimize dirt, dust and crud build up.
Tungsten coating is an extremely slick, low drag, long life dry film lubricant with a very low coefficient of friction