Here's picture of my 540 race machine, don't laugh with my "low competetiveness chassis", in the case i know it's nothing bravery.
In the case of rule and track surface changing: allowing 23T BR mixed with 11.5T/4000KV BL motor race together on a huge concrete race track. So i need to purchase new chassis, BL system, batteries and some special tyres for concrete(if somebody don't mind, please suggest me more in detail for this case), i just want to try fighting again in A main, I hope(sincerely).
