This is an optional Exotek TLR 22X-4 Aluminum HD Rear Wing Mount, a heavy duty mount machined from quality 7075 aluminum alloy and designed for use with the TLR 22X-4 buggy race kits. This part weighs only 12gr and keeps your wing aligned, pointed straight and looking clean while doing it with black anodized surface with and silver chamfered edges. Works with the stock wing spacer and wing hardware.