The Tamiya 84040 - TRF801XT Lightweight Universal Propeller Shaft lowers the shaft diameter from 4.2mm down to 3.4mm, producing almost a 10 gram reduction in mass. That lighter assembly contributes to sharper throttle response and easier direction changes at speed.
Geared toward racers who adjust their setups, this shaft reduces rotating inertia to help with acceleration and stability in corners. Installation is straightforward and uses existing mounting locations so you can upgrade without major teardown.
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