The Tamiya 53704 Lightweight One-way Cup Joint is an effective minor upgrade for owners wanting tighter control over transient response. By reducing mass at the joint, it supports quicker drivetrain reactions without complex setup changes.
This component is compatible with the TRF415 chassis as well as the TB-EVO III and TB-EVO III Surikarn Ltd. Installation follows the normal joint replacement procedure so it can be fitted by most hobbyists with standard tools.
The hollowed design trims unnecessary material to cut rotating weight, which can improve how quickly the car responds when you apply or release throttle. Expect a more direct feel from the driveline once fitted.
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