Aside from the great looks, aluminum alloy will not flex as much as plastic
under stress or during high ambient temperatures.

for Arrma series
ARA110002
1/5 KRATON 4WD 8S BLX BRUSHLESS SPEED MONSTER TRUCK RTR
ARA5208
1/5 KRATON 4WD EXTREME BASH ROLLER
ARA5810
1/5 OUTCAST 4WD 8S BLX STUNT TRUCK RTR
ARA5210
1/5 OUTCAST 4WD EXTREME BASH ROLLER STUNT TRUCK