<https://www.norton-motorsports.com/product/vortex-8mm-swingarm-spools/#product>
<http://schema.org/description>
"Machined from billet aluminum\r\n \tHardware included\r\n \tSold in pairs\r\n\r\n&amp;nbsp;"
<https://www.norton-motorsports.com/product/vortex-8mm-swingarm-spools/>