Don't let Warp 9's prices fool you, they only use the highest grade stainless steels and aluminum available. As riders, they have witnessed the current trend of off-road wheels - they are priced too high for the working class guy and most do not come complete, adding additional cost and frustration to the purchase experience. As riders, they decided to do something about it, and Warp 9 was born. Warp 9 Elite Rim: Warp 9's New Optional High Performance rim. Top-shelf anodized 7050 series aluminum rim. 84 HRB hardness test is stronger than most competitors' "High Performance" rims. Perfect rim for Supercross riders who sky those jumps and pound the whoops. Off-road guys, these rims eat rocks for breakfast! Warp 9 Cush Drive Assembly: Includes Cush Drive hub. Includes Cush Drive sprocket carrier. Includes Cush Drive rubbers.