Please choose the correct ending to complete the given sentence: Cars & Other Vehicles: [header] How to measure a bike chain [title] Lay the original chain side by side next to your new chain. [step] If the original chain is the length you want the new chain to be, lay them next to each other so the plates are on their sides. Ensure that the plates on each chain line up.

Ending1: [title] Follow the original chain in the same manner as before. [step] Attach the new chain to your existing chain. Ending2: If you're using a master link chain, insert the master link so your measurement is accurate. [substeps] For example, line up an outer plate with an outer plate or an inner plate with an inner plate. Ending3: Take a tape measure and place it over the chain that has the previous chain attached to it. The distance between the two pieces of chain should be between 2 to 4 inches (5 to 10 cm). Ending4: [title] Find and measure the length that you want for the chain as shown in the image. [title] Measure 1.5 ½ inch from where the chain will be.

Answer format: ending1/ending2/ending3/ending4