Tamiya 42385 - 45mm Hard Swing Shafts (2pcs) - Precision TRF421 Upgrade  [42385]

Fine-Tune Your TRF421 with Tamiya 42385 45mm Hard Swing Shafts

Made for the TRF421 racing chassis, the Tamiya 42385 45mm hard swing shafts are engineered to lower drivetrain vibration and keep your car tracking true. The drive pin and cross shaft are positioned 90 degrees apart to help reduce oscillation under load.

Handling and Fit

These shafts balance light weight with toughness, giving frequent club racers a reliable component that holds up during practice and race sessions. They fit the TRF421 with a secure feel and resist flex that can hurt cornering precision.

Fitting Advice

Before fitting, clean all mating parts and check for burrs or grit that could bind. Use correct alignment and confirm smooth rotation after assembly. Periodic inspection will catch wear before it affects handling.