Designed to be best-in-class for cross country use. Light enough to win, tough enough to last. Shorter and thicker sidewalls for incredible durability even when paired with low pressure, tubeless tires. I-beam bead hook maximizes internal width for optimum tire performance. Advanced spoke bed design allows for super high tension strong! wheels, while keeping overall rim weight low. Precision diameter and bead seat design achieves reliable tubeless performance. 26.6mm internal/30mm external width. 395 grams Designed to be best-in-class for cross country use. Light enough to win, tough enough to last. I-beam bead hook maximizes internal width for optimum tire performance Advanced spoke bed design allows for super high tension strong! wheels Precision diameter and bead seat design achieves reliable tubeless performance. 26.6mm internal/30mm external width