Twice the fiber of our plain made with whole grain bagels. Contains 8 g of fiber in each bagel. Did you know every serving of Thomas' Double Fiber bagels has - 17 g of whole grains; no artificial sweeteners; 0 g trans fat; no cholesterol; and is low in fat and a good source of fiber and thiamin. Thomas' Hearty Grains Double Fiber Bagels combine the goodness of 17 grams of whole grains and 8 grams of fiber in a delicious multi-grain bagel for a better way to start the day. Whole grain - 17 g or more per serving. Eat 48 g or more of whole grains daily. Plain made with whole grain bagels contain 3 g of fiber per bagel; these bagels contains 8 g of fiber per bagel. Specialty bakers since 1880.