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 is also UV protection additives to reduce color fade. Dampening pads are applied to reduce chain noise. Six-month (US only) free replacement warranty no matter what you ride (less S/H). Includes all new mounting hardware.