The ornamental design for a bicycleframe, as shown and described.
FIG. 1 is a front perspective view of a bicycle frame showing my new design;
FIG. 2 is a rear perspective view thereof;
FIG. 3 is a right side elevation view thereof;
FIG. 4 is a front elevation view thereof;
FIG. 5 is a rear elevation view thereof; and,
FIG. 6 is a top plan view thereof.
The broken lines showing various parts of a bicycle are provided for the purpose of illustrating environmental structure and do not form part of the claimed design.