Ejector Seat? Oil Slick? Smoke Bomb?

i understand it locks the shocks in a certain position for initial launch off the grid...........he wants to be careful with that non original part!

 

an E.Bike? looks like the twisty thing you got on old meters for inserting a coin.

 

Sat nav mount?

 

Just watching the test in Malaysia. The commentators are speculating wildly on what it is on Pirro's bike, but admit they don't have a clue. They think it may lock the suspension for a quicker start and unlock as soon as brakes are applied in the 1st corner.