Please choose the correct ending to complete the given sentence: Cars & Other Vehicles: [header] How to choose a bicycle [title] Learn how to ride if you don't already know. [step] That's the first and most important step. You can do this on practically any bike that is the right size for you.

Ending1: Think about how thick it is, what the handlebars will be like, and make sure you can climb on. [title] Know how to pedal, not kick. Ending2: You can even use it inside after school for a more intense bike ride. [title] Get the correct bicycle! [step] Bmx bikes are commonly referred to as gears or spinner based bikes because they're made almost entirely of gears. Ending3: Starting on a basic single speed bike with coaster brakes is usually best. Since you don't have to worry about shifting gears and front/rear braking sequences, these bikes offer an easily learning curve. Ending4: Just make sure your pedals are off-limits. [substeps] You can also learn how to operate a bike.

Answer format: ending1/ending2/ending3/ending4