20 x 8" front SS and LT/RS: 13.79Kg / 30.3lbs each = 27.58Kg / 60.7lbs front
Pirelli PZero: 245/45ZR20 summer: 32lbs each.
http://www.tirerack.com/tires/Spec.j...re%3D74YR0P0XL
20 x 9" rear SS and LT/RS: 14.55Kg / 32lbs each = 29.1Kg /64lbs rear
Pirelli PZero: 275/40ZR20 summer: 36lbs each
http://www.tirerack.com/tires/Spec.j...re%3D74YR0P0XL
This is for the SS. The information came from the sticky at the top of the forum.