The first rule

Always lock it. Never, never leave your bike unlocked—even if you’re leaving it for only half a minute. A thief can grab your bike in seconds. Some parking basics:

Security

Lock your bike to something that’s permanent and not easy for a thief to take. Lock to a bicycle rack, a parking meter, a metal fence post, or a large tree. Don’t lock to another bike, a door handle, or small tree. And if you keep your bike in a garage, basement, or on a porch, lock it.

Visibility

Park in open areas where many people pass by and your bicycle can be seen easily. Thieves usually don’t like an audience.

Keep It Close By

Put your bike where you can get to it fast. Thieves like to steal bikes whose owners are far away.