The Kyosho LA405 Drive Joint Cup is a scale replacement part built to fit LAZER ZX7.5 models. It forms the connection between the drive shaft and the universal joint, locating the shaft and transferring torque cleanly through the drivetrain.
Intended as a service spare, this component is used for routine maintenance or repair after impact or wear. Fitment is limited to LAZER ZX7.5 as specified, and the cup should be inspected for wear or deformation before installation to prevent drivetrain runout.
Installation tips and tuning impact: when fitting the drive cup, check the mating surfaces and any retaining pins or fasteners for damage, ensure the cup seats concentrically on the drive shaft, and confirm free rotation of the joint after assembly. Minor drivetrain alignment adjustments can reduce vibration and improve smoothness, aiding consistent power delivery on electric on-road RC cars.
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