Constructed of high-quality 7065-T6 aluminumLighter and stronger than regular barsNo-crossbrace allows flex to reduce shock and rider fatigueOversize 1-1/8'' diameter base reduces to 7/8'' to allow standard-size controls/gripsEtched alignment marks for fast and accurate positioningFlex Series pad includedMoose Racing universal 1-1/8'' mounting kit sold separately