• Complete X1 ball differential set • Direct replacement for gear differential • Improves traction in low grip conditions • Improves stability • Easier to drive • Fits X1 Complete ball differential set for the X1 is direct replacement for the gear differential with no other extra parts needed and no extra adjustments. Using the ball differential makes the car more stable and easier to drive, especially in very low grip conditions such as asphalt or low grip carpet. The ball diff increases on-power steering which is needed on almost all types of tracks.
