Tayar tana da siffar ganga, siffar ciki ta tayar tana goyon bayan tayar, kuma tsakiyarta wani ɓangare ne na ƙarfe da aka ɗora a kan sandar. Dangane da diamita, faɗi, hanyoyin ƙera da kayan aiki daban-daban, akwai nau'ikan tayoyi da yawa.
Tsarin cibiyar ƙafafun mota kamar haka:
① Rim: ɓangaren ƙafafun da ke aiki tare da haɗa taya don tallafawa tayar; ② Mai magana: shigar da ɓangaren ƙafafun da aka haɗa zuwa cibiyar kuma yana tallafawa gefen; ③ Ragewa (ET): nisan da ke tsakanin tsakiyar saman gefen da saman shigarwar spoke. Akwai positive offset, sifili offset, da kuma position negative; ④ Rim: ɓangaren gefen da ke riƙe da kuma tallafawa alkiblar tayar; ⑤ Wurin zama na Bead: wanda kuma ake kira saman hawa, wanda ke hulɗa da gefen tayar, yana tallafawa gefen, kuma yana kula da alkiblar radial na tayar; ⑥ Ƙasan Titin: Domin sauƙaƙe wargajewa da haɗa taya, akwai ramuka masu zurfin da faɗi a gefen; ⑦ Ramin bawul: ramin da ake sanya bawul ɗin taya.
Fa'idodin ƙafafun ƙarfe na aluminum:
① Idan aka kwatanta da ƙafafun wasu kayayyaki, kowane nauyi na yau da kullun ya fi ƙafafun ƙarfe masu girman iri ɗaya da kusan kilogiram 2 sauƙi, wanda ke adana mai; ② Mai ɗorewa, juriyar tasiri, ƙarfin juriya da ƙarfin zafi sun fi na sauran kayan aiki girma; ③ Babban daidaito da daidaiton aikin tuƙi Mai kyau; ④ Kyakkyawan watsar da zafi. A lokacin tuƙi mai sauri mai nisa, ana iya kiyaye tayoyin a yanayin zafi mai dacewa, ta haka yana tsawaita rayuwar sabis da rage damar hudawa; ⑤ Tsawaita rayuwar injin, bisa ga jadawalin nauyin injin da ƙarfinsa, lokacin da nauyin ya ƙaru zuwa wani mataki, ƙarfinsa zai ragu kuma za a rage nauyin injin, wanda zai rage lalacewa ta halitta kuma ya tsawaita rayuwa; ⑥Tayoyin ƙarfe na aluminum suna da ƙira iri-iri don haɓaka ƙima da kyawun motar.