The Kyosho TFW121 Steel S-Shaft is intended as a stronger alternative for TF series drivetrains, offering a 42.5mm pin-type D-joint made from steel. It is designed to be a solid replacement that keeps drivetrain behaviour consistent under load.
With precise manufacturing standards, the Kyosho TFW121 delivers a tight fit and a reliable pin-type D-joint that helps avoid unwanted separation during demanding driving. The steel construction supports stable performance over time.
This S-shaft suits a range of TF series models and is straightforward to fit into common drivetrain layouts. Whether you are replacing a damaged shaft or choosing an upgrade for durability, the Kyosho TFW121 is a practical option.
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