You'd have to be pretty fearless to attempt tricks on a motorbike, but coordinated ones? That's plain wacky.
Not to the Nitro Circus team, apparently. Yesterday, folks from Guiness World Records confirmed this brave motorbiking group has set a new record for number of riders flipping in the air at the same time. 16 out of the 18 bikers were airborne at once, making this quite a spectacle for viewers.
Watch the video to see the stunt go down in London's popular O2 concert venue.
Every day, DVICE selects fresh images, videos and more from the wonderful world of technology. See them all by clicking this link.