Varuvhu yegedhi inoreva vharuvhu ine chidimbu chinovhara (gedhi) chinofamba chakatwasuka chichitevedza mutsetse wepakati penzira.Mupombi, iyo brake regulator inogona chete kushandiswa kuvhurika kwakazara uye kuvharika kwakazara, uye haigone kushandiswa pakutonga uye kupuruzira.