The Tamiya Assembly Universal Shaft is made for TT-01 and TA04 chassis and offers a practical way to cut steering-related power loss. Compared to traditional axle or dog bone drives, the universal joint keeps torque flowing more evenly during steering, helping the car feel more composed.
The universal design reduces the friction spikes that occur during steering, which improves on-track response and lowers mechanical stress on the drivetrain components. That translates to steadier handling session after session.
Compatible with standard Tamiya TT-01 and TA04 configurations, the part fits with minimal changes to the chassis layout. It is suited for drivers who want an effective upgrade without a long workshop session.
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