Ghost c26 wheels

Hi, does anyone have any experience with these wheels? Wondering why they're so cheap. At that weight I'm really tempted to give them a go but can't find any reviews online.

https://sportandleisure.com/products/ghost-c26-29-carbon-mtb-wheels?srsltid=AfmBOoo12DOvDVeXszl-aSvCUB1g–_PdUWfz74FliAdUuq4arOCHByz