ST Racing Concepts Brass Outer Portal Drive Housi TRX-4 Black (1 pair) CNC SPTST8251BR Trucks Wheel hex is held on

Wheel hex is held on with pin

the Star Hopper Launch Set ensures that aspiring rocketeers can quickly grasp the fundamentals of launching and retrieving rockets

RC enthusiasts love pushing their equipment to the edge

Overspray film and pre-cut vinyl window masks are included with each body

ST Racing Concepts Brass Outer Portal Drive Housi TRX-4 Black (1 pair) CNC SPTST8251BR Trucks Wheel hex is held onCNC Machined Brass Portal Drive Outer Housing, (1 pair) front or rear for Traxxas TRX. The outer protal Drive housing provides more precision for the portal drive transmission gears and adds more low weight to the truck to improve the crawling performance of your TRX 4