Indobo ya Grab ni nkubwoko bumwe bwo gucumura. Hano hari igikumwe gikomeye kigabanije kumubiri, na thumb hylraulic yashyizwe inyuma yindobo, igufasha gukemura silinderi gushiraho ibibazo byo gusudira. Hagati aho, silinderi ya hydraulic irinzwe neza nindobo ihuza ryindobo, ikibazo cyo kugongana cya silinderi ya hydraulic ikoreshwa ntabwo itazigera iza kugusanga.