In a small bowl, pour boiling water over the wheat bran, flaxseed, salt, and cinnamon. Add the honey and oil. Let stand until mixture cools to 110° to 115°, stirring occasionally
In a large bowl, dissolve yeast in warm water. Add the sugar, whole wheat flour, and wheat bran mixture. Beat on medium speed for 3 minutes. Stir in enough bread flour to form a firm dough
Turn onto a floured surface and knead until smooth and elastic, 6-8 minutes. Place in a greased bowl, turning once to grease the top. Cover and let rise in a warm place until doubled, about 1 hour. Punch dough down
Turn onto a lightly floured surface and divide into 24 even pieces. Shape each into a roll. Place 2 inches apart on greased baking sheets. Cover and let rise until doubled, about 30 minutes
Bake at 375° for 10 to 15 minutes or until golden brown