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: Item Specifications: Color, Black, Weight, 440, Hub Drilling, 32, Rim Depth, 18, Manufacturer Spec ERD, 607, Valve, Presta, ISO Diameter, 622 / road / 29", Wheel Size, 29, Tire Type, Tubeless Ready, Rim Center Offset, 0, Rim Joint, Welded, Brake Track, None, Defined Color, Black, Rim Width (External), 29, Rim Material, Alloy, Eyelets, None, Rim Width (Internal), 25,.