Hard rock or horizontal roots: This rim can handle any challenge. The FR 571 has everything it takes to conquer the Black Snake and jump gaps. Dive into the downhill adventure with a 29" or 27.5" setup and choose between a uniform setting or a combination setup with the FR 571 at the back. The integrated brass hex nipples are extremely robust and suitable for the most demanding trails. Make a statement with a silver rim or stay discreetly in the background with a black rim. The FR 571 – for those who can take it tough.