Duroc rim feature a lightweight, double-walled rim designed to support aggressive riding with high-volume and true plus-sized tires. STR tubeless ready. Welded seam. Double wall construction. Item Specifications: Color, Black, Weight, 655, Hub Drilling, 32, Manufacturer Spec ERD, 606, 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 Material, Alloy, Eyelets, Single, Rim Width (Internal), 46, QBP Measured ERD (mm), 605.5,.