Kalifa na Birki Octyma kalifa ce ta birki da aka kirkira domin motoci masu babban aiki. Octyma tana da fistan guda takwas da aka jera su a tsarin giciye. Tsarin giciye yana inganta rarraba matsin lamba na fadin birki kuma yana kara ingancin aikin birki. An yi kalifar da aluminium mai inganci wanda aka zuba, kuma ingantaccen tsarin zubawa yana taimakawa wajen dorewa. Layuka masu tsauri suna baiwa kalifar halin wasanni, kuma kulawa da cikakkun bayanai na haifar da sakamako mai kyau. Ana samun launuka guda hudu: rawaya, ja, tagulla na carbon da baki. Launukan suna fito da siffar kuma suna bayyana halin kalifar.

Sunan aikin : Octyma, Sunan masu zanen kaya : Brembo, Sunan abokin ciniki : Brembo S.p.A..