Metal Axle and Wheel Hex Set B for GROM is a purpose-built upgrade kit for the ARRMA GROM that strengthens the drivetrain and wheel mounting, delivering improved durability during demanding runs.

Designed for straightforward installation, it includes pre-assembled front driveshafts, rear stub axles, and anodized aluminum clamping wheel hexes for rugged strength and a refined look. The 12mm wheel hex size broadens compatibility with a wide range of wheel and tire options, while locking grub screws, drive pins, and M4 wheel nuts ensure a secure, reliable fit.