The ZeroRC Hub-O-6-3 refers to a 4-piece set of Orange Wheel Barrels/Lips in a wide configuration, designed for the modular ZeroRC wheel system, compatible with the RW00 series RWD chassis.
 
Key Specifications & Features:
 
Modular Component: These are specifically the "lips" or "barrels" only. They form the inner and outer structure of the wheel and determine the width/offset when assembled with a compatible wheel face.
Material: High-quality plastic or composite material, finished in orange.
Quantity: Sold as a 4-pack, providing enough barrels for a complete set of four wheels.
Compatibility: Designed for the ZeroRC RW00/SR RWD chassis and Mini-Z RWD platforms, but are not compatible with most AWD hubs.