Modern day XC rim: The right width to run wide tires necessary to be competitive on todays demanding Cross Country courses. The welded construction of the XR 391 and the bead blasted, anodized finish are on par with your high end XC ride. The use specific profile, the custom alloy and the use of the PHR nipple interface allow to pair the unpairable: Wide, strong and light.
https://www.dtswiss.com/en/products/rims/mtb/cross-country/xr-391/