A Bike Stand is a device to which bicycles may be securely attached.
Stored in the ground
n-shaped bike racks can be implanted into the ground to allow for smooth concrete above, with n-shaped bike locks below that pull out of the ground. This conserves space and preserves beauty. The locks will naturally drop down into the ground under the pull of gravity if not held up in place with a bike locked to it.
Storage Locker Type Bike Rack
Bike locks that allow bike riders to take a key and have there bike locked up when they take the key. Similar to a storage locker that has you shut the door and take the key, A bike lock can have you lock up your bike and take the key.