Tuhia he whiti kōrero poto i runga i te kaupapa e whai ake nei:  E whakaahua ana te tangata X i tētahi paihikara
Ae ra, anei he rarangi poto: He rite tonu te rahi o ngā wira e rua o te pahikara, he mea whakarite i te rārangi, ā, e toru ngā kōhao e hono ana i ia wira ki te anga. Ka honoa nga hiko ki te crank, ka piri ki te anga o raro o te anga. Ko te mekameka ((s) e piri ana ki te crankset, ka uru ki te mekameka, ka mutu ka rere i te taha o muri o te sprocket (cogset).