elecs help please need to decide

[ianhaye]

right first of it will be used for 2wd b4 mod class on grass, whats best to do, do i wait up to 3 months for a tekin rs (long wait backorders) or go for a castle mamba max pro. whats best to go for, i can pick up both esc for the same price only dif is mmpro is in stock. so im lost they both seem to do the same kinda thing, also got to bare in mind the esc will be used in my tc in the winter on carpet track. what does one do that the other doesnt, help me decide please/ thanks