Furemu yebhamba repamberi inoreva rutsigiro rwakagadzika rweganda rebhamba, uye furemu yebhamba repamberi idanda rinodzivirira kurovera. Ichi chishandiso chinoshandiswa kuderedza kunyudzwa kwesimba rekurovera kana mota yarovera, uye chine simba guru rekudzivirira mota.
Bhamba repamberi rinoumbwa nedanda guru, bhokisi rinotora simba, uye ndiro yekukwirisa yakabatana nemota. Bhamba guru nebhokisi rinotora simba zvinogona kupinza simba rekurovera kana mota ikarovera nekukurumidza uye kuderedza kukuvara kwedanda refu remuviri kunokonzerwa nesimba rekurovera. Saka, mota inofanira kunge iine bumper yekudzivirira mota uye kuchengetedza kuchengetedzeka kwevari mumota.
Shamwari dzinonyatsoziva mota dzinoziva kuti bumper skeleton nebumper zvinhu zviviri zvakasiyana. Zvinotaridzika zvakasiyana uye zvinoshanda zvakasiyana zvichienderana nemodheru. Bumper yakaiswa paskeleton, zviviri izvi hazvisi chinhu chimwe chete, asi zvinhu zviviri.
Mapfumo emubhamba chinhu chakakosha chekuchengetedza mota. Mapfumo emubhamba akakamurwa kuita bumper yekumberi, bumper yepakati nebumper yekumashure. Furemu yemubhamba yekumberi inosanganisira bhamba rekumberi, bracket yekurudyi yefuremu yemubhamba yekumberi, bracket yekuruboshwe yefuremu yemubhamba yekumberi, uye furemu yemubhamba yekumberi. Zvese izvi zvinoshandiswa kutsigira bumper yekumberi.