The ornamental design for a bicyclechainringcover, as shown and described.
FIG. 1 is an outside (front) perspective view of the bicycle chain ring cover in accordance with my new design;
FIG. 2 is an outside (front) elevational view of the bicycle chain ring cover in accordance with my new design;
FIG. 3 is an inside (back) elevational view of the bicycle chain ring cover in accordance with my new design;
FIG. 4 is a top plan view of the bicycle chain ring cover in accordance with my new design;
FIG. 5 is a bottom plan view of the bicycle chain ring cover in accordance with my new design;
FIG. 6 is a left side elevational view of the bicycle chain ring cover in accordance with my new design;
FIG. 7 is a right side elevational view of the bicycle chain ring cover in accordance with my new design;
FIG. 8 is an outside (front) elevational view of the bicycle chain ring cover in accordance with my new design as installed on a first bicycle crank set; and,
FIG. 9 is an outside (front) elevational view of the bicycle chain ring cover in accordance with my new design as installed on a second bicycle crank set.
The portion shown in broken lines in FIG. 3 forms no part of the claimed design. The broken line showing of environment (bicycle crank set) in FIGS. 8 and 9 forms no part of the claimed design.