As light as carbon and wider than our Aluminum competition. WTB's KOM rims showcase what is possible with our WT69 alloy. A UST-compliant inner rim profile provides standards-driven consistency while a tape and sealant system eliminates precious rotational weight. KOMs are designed for one thing only, winning. Light enough to spin your way to the top, wide enough to own your way to the bottom. Whoever said it ain't easy being king was slow. WEIGHT 499g; HOLE 32; INNER RIM WIDTH 29mm; ERD 602; RIM SIZE DESIGNATION 622x29c As light as carbon and wider than our aluminum competition WT69 ALLOY 20% higher yield than 6000 series aluminum so strong it can be extruded into lighter rim 4D drilling process create a perfect interface between spoke and rim reducing binding TCS rim profile is especially designed for TCS or UST tires