FIG. 1 is a perspective view of a first embodiment of a brake disc for bicycles, showing my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a side view thereof, being the left side view with respect to FIG. 2;
FIG. 4 is a side view thereof, being the right side view with respect to FIG. 2;
FIG. 5 is a side view thereof, being a side view from the top with respect to FIG. 2;
FIG. 6 is a side view thereof, being a side view from the bottom with respect to FIG. 2;
FIG. 7 is a bottom plan view thereof;
FIG. 8 is a perspective view of a second embodiment of a brake disc for bicycles according to the invention;
FIG. 9 is a top plan view thereof;
FIG. 10 is a side view thereof, being the left side view with respect to FIG. 9;
FIG. 11 is a side view thereof, being the right side view with respect to FIG. 9;
FIG. 12 is a side view thereof, being a side view from the top with respect to FIG. 9;
FIG. 13 is a side view thereof, being a side view from the bottom with respect to FIG. 9; and,
FIG. 14 is a bottom plan view thereof.