(1) Option Size: Yawancin lokaci da ya fi girma diamita ƙafafun, tura karin kokarin, mafi alhẽri ikon a kan cikas.

(2) Duba load: casters guda diamita, yawanci masana'antun za su samar da dama jerin ga m load-hali, kamar haske, matsakaici, nauyi, da dai sauransu, shi ne don ba da damar ƙafafun da daban-daban nisa da sashi daban-daban kauri ko kayan canji .

(3) Wheel material: wannan yana da muhimmanci ƙwarai, kullum PU, TPR, PP, roba, nailan, da dai sauransu, kamar yadda m zazzabi, surface hardness, surface muhalli