Sauber has brought a new floor to the Monaco Grand Prix, completing its Formula 1 update package that was partly introduced last time out in Spain.
The team had planned to run the whole package at Barcelona, but it needed more time to work on the floor.
As a result, a series of other parts that were ready could not be added to the car until the floor was completed.
In addition to the floor and a Monaco-spec rear wing, Sauber will run new sidepod deflectors, rear brake ducts and additional bodywork elements.
Sauber is planning "aggressive" development for the rest of the season in a bid to overcome the deficit created by running a year-old Ferrari engine.
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