The most demanding braking sections
Of the Shanghai International Circuit's 8 braking points, 4 are classified as crucial for brakes and the other 4 are of average difficulty. Deceleration in six of these braking points is at least 4.5 g.
The most difficult braking point is that of curve 1, dedicated to Michael Schumacher: the cars hit the area at 327km/h and brake for 2.5 seconds in 69 meters to strongly decelerate to 78km\h. The pilots exert a load of 128 kg on the pedal and are forced to withstand 4.8 g of deceleration, which equates to the value usually experienced by astronauts during their return to Earth.
The same deceleration is also in bend 14, but the peak speed before braking (304 km\h) and that at the entrance (122 km\h) are lower: this means less braking time and space, 2.18 seconds and 52 meters. Braking in bend 4 is an impressive feat: in only 53 meters, less than half the height of the highest mountain in Bahrain, the single seaters loose 186 km\h with a deceleration of 4.7 g.