See some unusual bicycle videos. There are always inspired people who can do amazing things with their bicycle.
To learn stunts there are various bicycle tutorials and videos on the internet. You begin with the basic stunts first to gain experience and work your way up slowly towards the more advanced stunts.
Practice your stunts in a environment where there is no traffic and where nobody can see you. And don't forget to wear protective gear while you practice.
Beating the Police
7 Cop Cars to stop an Electric Bicycle
Man Throws Bicycle at Thieves
Look at this incredible man. Have you ever seen something like that?