Finally, I bought a LST2 on eBay a few hours ago! :D

And I thought, and thought, and now I think the best setup for me would be:
- NEU 1521/1D 2900Kv
- NEU Energy 25C-50C 4900mAh 4s LiPo
- Mamba Monster Max
- RC-Monster 2 Speed pinion adapter 5mm bore
- Self made motor mount

So what about this?