Zvimiro zvehelical gears:
1. Paunenge uchibatanidza magiya maviri ekunze, kutenderera kunoitika kune imwe nzira, kana meshing ger yemukati negiya rekunze kutenderera kunoitika munzira imwechete.
2. Kuchengetedza kunofanira kutorwa maererano nenhamba yemazino pane imwe neimwe yegiya kana meshing huru (yemukati) giya ine diki (kunze) giya, sezvo matatu marudzi ekukanganisa anogona kuitika.
3. Kazhinji magiya emukati anofambiswa nemagiya madiki ekunze
4. Inobvumira kugadzirwa kwakagadzikana kwemuchina
Zvishandiso zvemagiya emukati:mapuraneti giya dhiraivha yeakanyanya kuderedza zviyero, maclutches nezvimwe.