Ford Focus Owner's Handbook Manual page 211

Convertible
Up to 160 km/h (100 mph)
Variant
All
All
All
1
Only fit snow chains to specified tyres.
Continuous speed in excess of 160 km/h (100 mph)
Variant
All
All
All
Focus ST
Up to 160 km/h (100 mph)
Variant
All
1
Only fit snow chains to specified tyres.
Wheels and tyres
Tyre size Front
bar (psi)
1
2.3 (33)
205/55 R 16
205/50 R 17 2.3 (33)
225/40 R 18 2.3 (33)
Tyre size Front
bar (psi)
205/55 R 16 2.3 (33)
205/50 R 17 2.3 (33)
225/40 R 18 2.3 (33)
Tyre size Front
bar (psi)
1
2.3 (33)
205/55 R 16
209
Normal load
Rear
bar (psi)
2.5 (36
2.5 (36
2.3 (33)
Normal load
Rear
bar (psi)
2.5 (36)
2.5 (36)
2.3 (33)
Normal load
Rear
bar (psi)
2.3 (33)
Full load
Front Rear
bar (psi) bar (psi)
2.3 (33) 2.5 (36
2.3 (33) 2.5 (36
2.3 (33) 2.5 (36
Full load
Front Rear
bar (psi) bar (psi)
2.5 (36) 2.7 (39)
2.5 (36) 2.7 (39)
2.5 (36) 2.7 (39)
Full load
Front Rear
bar (psi) bar (psi)
2.3 (33) 2.3 (33)