This graphite radio tray is an aftermarket component for the HPI Bullet 3.0 MT and ST nitro models. It creates a more stable, low-profile mount for radio gear and small electronics while assisting with neat cable routing. The paragraphs that follow outline compatibility, fitment advice and tuning notes.
Compatibility and role: the tray replaces the standard radio platform on Bullet 3.0 MT and ST nitro chassis to provide a stiffer mounting surface. A firmer mount helps keep servo leads, receiver and small sensors in place during jumps and rough driving, reducing radio-related issues.
Installation notes: the tray is shaped to match the original tray mounting points so installation normally uses existing screw holes. Confirm screw thread and length before final assembly, route antenna and servo cables to avoid pinches, and make sure the tray does not obstruct the fuel tank or exhaust route on nitro cars.
Tuning considerations: fitting a graphite tray is a straightforward change that can slightly alter chassis stiffness in the radio area. After installation, check radio and servo stability then fine tune suspension or weight distribution if you notice handling changes.
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