The ornamental design for a road tubeless bicyclerim, as shown and described.
FIG. 1 is a front, right isometric view of a road tubeless bicycle rim showing my new design (the rear, left isometric view, being identical, is not shown);
FIG. 2 is a front elevation view thereof (the top plan, bottom plan, and rear elevation views, being identical, are not shown);
FIG. 3 is a left side elevation view thereof (the right side elevation view, being identical, is not shown);
FIG. 4 is a sectional view thereof, taken at cut line 4-4 of FIG. 3; and,
FIG. 5 is a sectional view thereof, taken at cut line 5-5 of FIG. 3.
Elements of the road tubeless bicycle rim depicted using broken lines are intended to illustrate the environment of the claimed design and form no part of the claimed design.