Why bike regularly when you can bike while running sideways on a wall, or move forward while handstanding on the handlebars in the opposite direction? Heck, Tim Knoll, the biker in the video, is so ...

What started as a cool bike trick… didn’t quite go as planned. 😅🚴‍♂️ This epic fail shows exactly why some stunts should not be attempted without proper skill and safety gear. #biketrickfail ...