The Tamiya 84315 upgrade pack brings precision aluminium and carbon parts to the TRF511 to help tighten handling and even out power delivery. These additions are aimed at serious hobbyists who want consistent chassis behaviour under load.
At the heart of the kit is a 2.25mm carbon fibre lower deck that boosts stiffness and supports square battery types. The aluminium rear suspension mounts and slide motor mount are machined to improve stability and position the motor nearer the centre for a more neutral balance. The 39T ball diff pulleys supplied help set the secondary gear reduction to smooth torque transfer.
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