Waɗannan rollers sun dace da babbar motar jijiya ta MST300. Suna taka muhimmiyar rawa a cikin chassis kuma suna da alaƙa kai tsaye da aikin tafiya na chassis.
Suna da inganci kuma masu dorewa, da kyau, suna kula da cikakkun bayanai, kuma suna iya jure wa gwaji mai tsanani na amfani da nauyi a cikin yanayin aiki mai tsanani, wanda zai iya inganta aikin aiki da rayuwar sabis na kayan aiki.
Yijiang yana ba da rollers iri-iri da waƙoƙin roba don masu rarrafe ƙarƙashin motar Morooka juji, lambar ƙirar MST300 MST600 MST800 MST1500 MST2200, da sauransu.