Impeta ya X ifunga impeta, izwi kandi nk'impeta yo gufunga inyenyeri, ni ubwoko bw'impeta ishobora gushyirwaho mu cyuma cyabigenewe gifite igipimo gito cyo kugabanuka kugira ngo ugabanye ubukana, ariko birashobora no gukoreshwa mu gikingi cya O-impeta imwe. Impeta ya X ifite kashe ifite imbaraga nke zo guterana, irashobora gutsinda neza torsion, kandi irashobora gusiga amavuta meza. Irashobora gukoreshwa nkibintu bifunga ikimenyetso ku muvuduko wo hasi, kandi birakwiriye no gufunga static. Nukuzamura no kuzamura bishingiye kumikorere ya O-impeta. Ingano yacyo isanzwe irasa neza nubwa O-impeta y'Abanyamerika.
