Upgrade the Thunder Tiger Kaiser XS drivetrain with this GPM steel spur gear set. It replaces the original plastic gears with a 56T steel spur and a two part double speed reduction assembly made from steel #45 to increase durability.
The setup carries torque from the motor into the 56T spur and then through the 12T and 33T gears in the reduction assembly, delivering higher torque to the centre drive shaft and improving performance in demanding conditions.
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