The Performance Series Aluminum Wheels feature 3 spoke unidirectional designs. The wheels all have rims and spokes constructed of 6061 T6 aluminum for lightweight and higher strength. The wheels are available with a smooth rim or with finger grips and have an extra thick textured foam cushion grip for comfort. All wheels have Grants standard three hole mounting pattern. Product Features:These Wheels Feature All Steel Construction With A Powder Coat Finish3 Spokes DesignSmoothest Cushion GripSolid Construction And The Best Finish In Its ClassLimited 90 Day Supplier Warranty