How to do motorbike stunts/tricks?

[Chugster]

ive tried googling but cant find a definitive answer on how to do tricks on a bike whilst jumping...can anyone shed any light?

[ShortyBuzzGER]

Its the same now as you do with monster trucks.
I have the left shift and ctrl button for the flip actions. I don't know which keys are default.

Now you just jump over a ramp or whatever and press one of those keys or left and right key and you perform a stunt. (backflip, frontflip, mistyflip[a combination of a flip and the left/right key] and turns like 180° or 360° and so on)

[Kosevich]

Also there is a special event in summit challenge. Hovever it is not available every day. For example there is a raid motorbike stunts/tricks available now for the next 2 days.