The Factory Pro O-3CP009 graphite main chassis is a purpose-made aftermarket plate for the 3racing Cero FWD Ultra 2.0. Manufactured from machined graphite at a nominal 2.25mm thickness, it establishes a repeatable stiffness that lets setup changes focus on suspension, roll control and weight distribution rather than compensating for chassis give.
Fitment preserves factory geometry: the plate lines up with the Cero Ultra 2.0 mounting layout and accepts the existing suspension, motor mount and electronics points. When replacing the main chassis, confirm clearances around the motor and servo, check that screw lengths match the original hardware, and torque fasteners per the kit instructions to prevent concentrated loading on the graphite.
Racers often fit this plate to reduce flex under acceleration and lateral load. Use it within a structured tuning process: set ride height and anti-roll first, then adjust spring rates and evaluate behaviour on both high bite and low bite surfaces to find the best balance.
Fit the Factory Pro chassis when you need a consistent graphite platform to refine front-wheel-drive Cero Ultra 2.0 handling, and always verify fit and clearances before completing the build.
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