Consists of Dirt Cross front chain slider, Lower Powerlip roller and Factory Edition Number 1 or 2 rear chain guide. Lowest cost chain Slide-N-Guide complete replacement kit. Comes with either the Factory Edition #1 or Factory Edition #2 rear chain guide for more impact resistant reliability and lower chain drag. This kit is for MX, SX, practice bikes and Offroad Enduro Competition. Dirt Cross Chain Slider: A line of economy priced chain sliders that are superior in design and material than stock or aftermarket parts. The only made in the U.S.A. factory tested chain slider used by top teams like Geico Honda MX. Improved slider shape to increase longevity in critical wear spots. TMD sliders include friction reducing additives to decrease chain drag. There are also UV protection additives to reduce color fade.