This is an RC-scale caster block hub set designed for the Element Enduro Trail Truck chassis and listed as model JR-EE02-BK. The assembly replaces the stock caster block area with machined aluminum components to change steering rigidity and chassis feedback without implying full-vehicle use.
Compatibility is limited to the Element Enduro Trail Truck as stated, and this kit is intended when you want a firmer caster block mounting point to influence steering response and front-end behaviour on trail setups. Do not assume fit with other Element or non-Element models unless the seller explicitly lists them.
Installation is a direct-replacement procedure: remove the existing caster block components, transfer any reusable fasteners and steering links, fit the aluminum hub set into the original mounting points, and confirm clearances for wheels and suspension travel. After fitting, verify steering travel and toe alignment before running the model.
From a tuning perspective this part increases local stiffness at the front knuckle area, which can alter how the truck transmits inputs from suspension and steering. Consider pairing the hub set with good-condition ball bearings and review front suspension preload to balance handling and wear characteristics.
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