I have a kyosho kanai II brushless, with medusa 2200kv 50mm, Mamba max with ubec, 4s zhippi 5000mha 20c-30c. I have a 46t spur and 13t, 17t and 19t pinions. Which is the best configuration? Can I kill a nitro? I can buy an another pinion, but I prefer use my pinions.