I think they are teflon. the name of the wheel is Victor, and with the black ones, its the Victor wheels WITH teflon. But who knows. I think these are sweet too http://www.americanracing.com/wheels/details.asp?wheelid=186&name=Chamber%20with%20TeflonŽ&style=3985&desc=1-piece%20painted%20alloy§ion=ORT#

Anywho this is getting off subject. I wish these people would make some NEW stuff for the X