Another very popular technique is to use one decent lock and a cable.
How to properly lock a bike with a cable lock.
Make your bike ugly.
Attach a u lock or chain around the rear wheel the frame and the bike rack as above.
Therefore always keep the lock away from the ground.
Then push one end of the cable through the front wheel pass one loop through the other loop and secure the first loop to the main lock.
Secure the front wheel using one end of the cable by pushing it through.
The less room inside of the u lock or chain the more difficult it will be for thieves to use their tools.
You need a u lock plus something else another u lock a cable lock locking skewers etc.
Secure the saddle with a long cable.
Push a loop of the cable through the rails of your saddle.
Use a d lock on rear wheel through frame and an immovable object.
Secure by passing the free end of the cable through the loop.
Use multiple locking mechanisms.
Cable locks are available for sale but should only be a secondary security measure.
Get a tight fit.
Make sure what you lock your bike to cannot be cut.
Cutting a cable lock is so easy and quick that it s possible in broad daylight with people nearby.
With one u lock there is no possible way to secure all the components on your bike that a thief might steal.
U locks come in all different shapes and sizes.