This is an aluminum front upright knuckle arm set for TAMIYA TA-series RC models, provided by JAZRIDER as JR-TA101-DB in dark blue. The parts replace the stock plastic uprights to reduce flex at the steering pivot and provide a firmer interface between the wheel hub and steering linkage while keeping the original mounting points.
Install notes: the uprights are designed to use the vehicle's existing kingpin/ball-stud locations and hub carrier hardware. Before fitting, verify ball-stud engagement and wheel hex alignment; minor trimming of thread-lock or paint on mating surfaces may be needed to ensure smooth movement. These parts are intended for scale RC chassis use only.
Tuning role: swapping to aluminum uprights changes steering feel and the way loads transfer through the front suspension. Expect reduced compliance under heavy steering inputs, which can help steering precision and consistency during cornering. Adjust toe, camber, and steering link geometry after installation to re-establish the desired handling balance.
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