1. This set of front side / straight back gear field elements are ideal for the AXIAL-SMT10 GRAVE DIGGER AX90055,AXIAL-RR10 BOMBER,AXIAL-WRAITH 4WD ROCK RACER,and AXIAL-YETwe ROCK RACER showing one of the keys assists.
2. They are able to work great with exclusive or optional gear industry.