HED 26 559x85 BIG DEAL CARBON 32 BK/DISC TCBig Deal is 445 grams and 85mm wide of pure fat bike joy Tubeless compatible carbon fat bike rim weighing less than many smaller aluminum rims Inflatobam technology with Inflatabands provide a variable rim channel diameter which compensates for the discrepancies in tire bead diameters by minimizing the gap between the tire and the rim channels greatly reducing the chance of leaks and tire burps Twin channel rim design provides a better pre inflation