Wunderlich - Swingarm Pivot Covers Edge DesignSwingarm pivot covers EDGE design, right. The large cavities of the swing arm pivot are permanently and securely protected. This is hardly possible with the black original plastic covers, since they just about jump off after the first hard contact with the boot. The result: The holes get covered in dirt and the pivot corrodes. Our anodised aluminium covers not only cover the pivot in an elegant manner, they also provide a very secure closure. Tip: