ZETA rides dirt bikes. ZETA develops products for dirt bikes. They test, manufacture and supply high-quality products for dirt bike riders. Their product ideas come from their riding experience, from professional riders and from MX factory teams. You must not miss ZETA products for your ride! Replacement 3D chain guide wear pad for use with the ZETA 3D Chain Guide (sold separately) 3D design slider reduces the impact of the debris coming from all directions. Sold individually.