The ornamental design for a bicycletrailer, as shown and described.
FIG. 1 is a left-rear perspective view of the bicycle trailer, showing my new design.
FIG. 2 is a left side view of the bicycle trailer of FIG. 1 pivotally-folded for compact storage with stand retracted.
FIG. 3 is a left side view of the bicycle trailer of FIG. 1 with stand retracted.
FIG. 4 is a rear view of the bicycle trailer of FIG. 1.
FIG. 5 is a front view of the bicycle trailer of FIG. 1.
FIG. 6 is a left side view of the bicycle trailer of FIG. 1.
FIG. 7 is a right side view of the bicycle trailer of FIG. 1.
FIG. 8 is a top view of the bicycle trailer of FIG. 1; and,
FIG. 9 is a bottom view of the bicycle trailer of FIG. 1.
The broken lines, depicting a bicycle in FIGS. 1 and 2, illustrate environmental structure that forms no part of the claimed design. The broken lines illustrating the bottom mesh of the trailer illustrate portions of the bicycle trailer that form no part of the claimed design.