▁that ▁extends ▁the ▁front ▁susp ension . ▁There ▁are ▁two ▁modes ▁for ▁the ▁ch ass is ' ▁tun ing ▁which ▁can ▁also ▁be ▁changed ▁with ▁a ▁button ▁in ▁the ▁cabin : ▁" s port ", ▁the ▁standard ▁setting , ▁and ▁" race ", ▁which ▁features ▁less ▁of ▁the ▁" B os ch ▁AS R " ▁( anti - s lip ▁reg ulation ) ▁tra ction ▁control , ▁faster ▁sh ifts ▁and ▁st iffer ▁susp ension . ▁ ▁Whe els ▁ ▁The ▁MC 1 2 ▁has ▁ 4 8 0 - mill imet re ▁( 1 9   in ) ▁whe els ▁with ▁a ▁width ▁of ▁ 2 3 0 ▁mill imet res ▁( 9   in ) ▁at ▁the ▁front ▁and ▁ 3 3 0 ▁mill imet res ▁( 1 3   in ) ▁at ▁the ▁rear . ▁The ▁ty res ▁are ▁" P ire l li ▁P ▁Zero ▁C ors a " ▁with ▁codes ▁of ▁ 2 4 5 / 3 5   Z R   1 9 ▁for ▁the ▁front ▁ty res ▁and ▁ 3 4 5 / 3 5   Z R   1 9 ▁for ▁the ▁rear . ▁The ▁bra kes ▁are ▁B rem bo ▁disc ▁bra kes ▁with ▁a ▁Bos ch ▁anti - lock ▁bra king ▁system ▁( AB S ). ▁The ▁front ▁bra kes ▁have ▁a ▁diameter ▁of ▁ 3 8 0 ▁mill imet res ▁( 1 5   in ) ▁with ▁six - p ist on ▁cal ip ers ▁and ▁the ▁rear ▁bra kes ▁have ▁a