Please choose the correct ending to complete the given sentence: Cars & Other Vehicles: [header] How to balance a motorcycle tire [title] Take the wheel off the motorcycle. [step] Hold the motorcycle still by engaging the centerstand. Loosen the wheel's lug nuts by turning them counterclockwise with a wrench.

Ending1: Put the wheel back on the bike and cut through the center tube. [substeps] Letting the wheel trail down doesn't do much to give the tire a proper balance. Ending2: To loosen the tire's lug nuts, there is a considerable amount of pressure on the wheel. By loosening the wheel, the change will allow you to expose the tire to air. Ending3: You may have to remove pieces of the wheel that are blocking the tire. [title] Spray caulk around the edges of the tire. Ending4: Set the lug nuts aside and pull the wheel off the motorcycle. [substeps] The centerstand is underneath the center part of the motorcycle.

Answer format: ending1/ending2/ending3/ending4