Please choose the correct ending to complete the given sentence: Cars & Other Vehicles: [header] How to grease bicycle wheel bearings [title] Get some good, flat, open wrenches. [step] Make sure they are in sizes 13 mm and 15 mm. Those are the most common sizes.

Ending1: [title] Have someone with you remove the things with a somewhat heavy wrench. [step] Removing any objects from the wheel the two of you should be able to do by yourselves. Ending2: The shop where you can buy adjustable wrenches is at the very top of the listing. You might also find them around the edges of old tires and tailbeams, in the aisles, or somewhere in plain sight. Ending3: You can also use a socket wrench but a vice is not recommended. For skids, make sure the lug nuts are licensed. Ending4: No other size wrench will work, but any type of adjustable wrench will do for the locking nut. [title] Put the flat wrench on the bearing cone between the hub and the locking nut.

Answer format: ending1/ending2/ending3/ending4