One-point advice for those buying TC10/4.
I think there are people who think it's a bit harsh when putting the differential cup straight into the case. The differential case structurally makes the area near the differential cup entrance slightly narrower, making it a bit harsh. However, if you put the differential cup in the back, the clearance is just right! So just put it together. This time the differential has improved grip strength with further optimizing backlash etc.

Point tips #2
Question about roll bar balls!
First, insert the roll bar ball into the groove in the suspension arm. Then, align the center of the arm with the center of the ball, then rotate it 90 degrees inside.
The ball is machined into the center of the lower arm, so it stays in place properly
This is one of our key features, ensuring easy installation and smooth operation

There is a pattern that is wrong with the last stubby ball I posted, so I want to explain.
X - There is a pattern in which the stubby ball protrudes on the top side of the sass arm as in the picture. This will be a mistake.
O - The correct pattern is that the center of the ball part of the stubby ball and the center of the sass arm should be reclamated.
The stubby ball on the side of the sus arm is shaved into a ball shape, so it's lightly working!
This is an obsession point so check it ou