I studied the Micro RS4 for 7 years and the front official HPI Ball Diff is supposed to have 3 diff balls, prefferably ceramic for me, but to ballance the amount in the rear Ball Diff to how many balls there are placed.
Now if we can just get HPI to listen to that idea.
Last edited by Zero Racer; 09-03-2010 at 10:29 AM.