The SCX3021BX brass inner parts are made for the front knuckle assembly of AXIAL Capra 1.9 Unlimited scale crawlers. These RC-scale components support and stabilize the steering linkage and the inner gear interfaces in the front knuckles to help keep gear engagement smooth during low-speed crawling and tight technical manoeuvres.
Each kit is machined from brass to retain consistent fit and long service life, and the parts can double as external ballast to bias weight toward the front axle where desired. The supplied hardware contains the exact screws for installation so you can swap out the stock inner pieces without hunting for extra fasteners.
Ideal for builders who want a durable replacement that also adds useful front-end weight, these brass inners are a simple upgrade for Capra 1.9 Unlimited crawlers.
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