Red colored big wing for Javelin.Wing Remain (OT250) is necessary whenever use with Optima. It may be simple to install for Optima also, and gives a powerful downforce.*When use with Optima, it is necessary in order to make holes on human anatomy shell for installing wing stay. A unique designed wing stay are an easy task to take off wing by pins, so it's an easy task to simply take off/on human body shell.
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