Lewis Hamilton's chances of fighting for victory in the Chinese Grand Prix have taken a hit as he will be given a grid penalty.
The McLaren driver confirmed on Thursday that he will need a new gearbox for the weekend, meaning he will get a five-place grid penalty for the change.
Hamilton said the damage to the gearbox was only picked up in last 48 hours.
Hamilton, who has started the first two races from pole position, is currently second in the championship behind Ferrari's Fernando Alonso.