1. This set of front & rear bevel gears is sophisticated made for AXIAL-SMT10 GRAVE DIGGER AX90055,AXIAL-RR10 BOMBER,AXIAL-WRAITH 4WD ROCK RACER,and AXIAL-YETI ROCK RACER.
2. This set of bevel gears are made of high quality steel #.
3. This set of bevel gears are running very smooth and improve from the original stock ones a lot.