Ngenxa yokuthi lawa ma-sprocket ohlobo B akhiqizwa ngobuningi, ayonga kakhulu ukuthengwa kunokuphinda kwenziwe ama-sprockets aphethwe isitoko, aphinde abhore, futhi afake ukhiye nezikulufo.I-Finished Bore sprockets iyatholakala Ohlotsheni Olujwayelekile “B” lapho ihabhu liphumela ohlangothini olulodwa.