The ornamental design for a “bicycle stand,” as shown and described.
FIG. 1 is a perspective view of a bicycle stand, showing my new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof; and,
FIG. 8 is a perspective view thereof, illustrating the bicycle stand holding a bicycle in an upright position.
The broken line showing a portion of a bicycle is included for the purpose of illustrating environmental structure and forms no part of the claimed design.