Akwai manyan nau'ikan nau'ikan spur gears: na waje da na ciki.Gears na waje an yanke hakora a saman silinda na waje.Gears na waje guda biyu suna haɗa juna tare kuma suna juyawa zuwa saɓanin kwatance.Sabanin haka, gears na ciki suna da hakora da aka yanke a saman ciki na Silinda.Kayan na waje yana cikin kayan ciki, kuma ginshiƙan suna jujjuya su a hanya ɗaya.Saboda an daidaita magudanan gear kusa da juna, haɗin gear na ciki ya fi ƙaranci fiye da na waje.Ana amfani da gear na ciki musamman don watsa kayan aikin duniya.

Gabaɗaya ana ɗaukar gears ɗin Spur sun dace da aikace-aikacen da ke buƙatar rage saurin gudu da haɓaka juzu'i, kamar injin niƙa da kayan murƙushewa.Duk da yawan amo, aikace-aikace masu sauri don kayan motsa jiki sun haɗa da na'urorin mabukaci kamar injin wanki da blenders.Spur gears suna da nau'ikan aikace-aikace masu yawa: ana amfani da su don haɓaka ko rage saurin abu, ana kuma iya amfani da su don ƙara ko rage ƙarfin wani abu na musamman.Tun da spur gears ke watsa motsi da ƙarfi daga wannan shaft zuwa wani a cikin injin injin, kuma sun dace da injin wanki, mahaɗa, bushewar tumble, injin gini, famfo mai, da sauransu.