Where did you order the gear diff? I would like to try one.
I have the ball diff now but i run it so tight & it works well but it bothers me
I ordered directly at 3-Racing HK:
http://os.3racing.hk/products.php?products_key=5321
Bearings for the gear diff are 1510.
The rest of the gearbox is 2 times 850, 2 times 1150.
BR,
Matthias