The alloy middle shaft joint set is produced to fit the Tamiya TT01 / TT-01 chassis and acts as a direct aluminium substitute for the stock middle joint. It is CNC-machined from aluminium alloy and comes with a blue finish.
This item is designed specifically for the TT01 / TT-01 family; confirm your chassis code before ordering. It replaces the factory middle joint where the central shaft couples to adjacent gears in the TT-01 drivetrain architecture.
Installation is component-level straightforward: remove the original joint, press the alloy joint into place, then confirm correct alignment and unobstructed rotation of the middle shaft and neighbouring gears. Test the drivetrain manually after installation to ensure smooth engagement.
Swapping to an aluminium joint tends to reduce flex at the coupling compared with typical plastic parts, which can sharpen drivetrain consistency under load. Consider this as part of a measured tuning approach addressing alignment and bearing condition.
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