WTB 29 622x21 KOM LIGHT i21 TCS 32 BK/DISC AMThe KOM Light epitomizes affordable, high end performance at nearly the same weight as carbon Proprietary 4D spoke drilling prevents binding and lateral loading of the spokes Integration of the all new Solid Strip on TCS 2. 0 rims delivers the easiest to mount and most reliable tubeless system WTB has ever made A recessed channel along the center of TCS 2. 0 rims allows installation of the all new Solid Strip, which prevents tubeless tape from sagging