okay so i bought a exceed ultra from an online store, i've heard that these are not the best brand. when i try to mesh the gears with the paper trick the center gear spins to the left and the clutch bell spins to the right when i rotate the back wheels, also my stupid dog bone popped out and now its like hell to put it back in could someone help, im new to the hobby and tell me which way the gears are supposed to spin or am i rotating the wheels wrong