After he changed rewards in lucky wheel Admin decided to make changes in battle hit progress weekly event.
Number of total hits has been increased from 31k up to 60k hits. Number of rewards has been increased up to 9 rewards.
1st reward - 2 000 hits
2nd reward - 4 000 hits
3rd reward - 8 000 hits
4th reward - 16 000 hits
5th reward - 24 000 hits
6th reward - 32 000 hits
7th reward - 40 000 hits
8th reward - 50 000 hits
9th (FINAL) reward - 60 000 hits
Here are the summary of the rewards,in the case we make 60 000 hits.
  50 golds
Not bad at all. 
We are waiting for some more updates.