Impengamiro ya roller isanzwe ihindurwa nintoki yintoki inyuma yigitambara.

Irekure ibinyomoro byo gufunga intoki kugirango ubashe guhindura impengamiro. Kugirango uhindure imikorere ya bande wabonye icyuma, hinduranya uruziga rwo hejuru buhoro ukoresheje ukuboko kumwe. Icyuma kibonye kigomba kwiruka hagati bishoboka kuri roller. Niba icyuma kibonye gikunda kwiruka inyuma, uruziga rugomba kugororwa imbere gato (B). Niba itsinda ryiruka imbere kandi rikangisha gusimbuka uruziga, uruziga rwo hejuru rugomba guhindukirira inyuma (A). Niba itsinda ryabonye icyuma gikora hagati kuri roller na nyuma ya revolisiyo nyinshi, urashobora gukosora igenamigambi kuri handwheel hamwe nimbuto zifunze.

Icyuma kibonye gihujwe no kugorora uruziga rwo hejuru.