This two piece kit replaces the factory servo arm and steering arm on Kyosho motorcycle RCs, providing an aluminium option instead of the stock plastic parts. Supplied as a matched pair, it is designed for 23T servo splines (C9) and the steering arm position labelled C10 when those markers are used on Kyosho motorcycle assemblies.
Fitment tips: make sure splines are aligned before you torque the fixing bolts, keep the original mounting hardware where suitable, and avoid excessive torque to protect aluminium threads. Check the servo spline engagement and steering linkage clearance through full travel to ensure free movement across the suspension travel.
Performance notes: moving to aluminium arms reduces flex under load and sharpens steering response, useful when tuning steering rate or centring. Periodically check screw threads and bearing surfaces for wear and use thread lock on steel screws if they tend to loosen during running.
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