Oh, i am so hard to try.

used 6S2P M1A123 battery (2.7-2.8V pre cell) and Hacker C50/9XL with 46T spur 18T gear and 6inch tire.

Quark125 can't take 6S Lipo , so i am try hard to gear up.
test and test , try keep quark esc cool down.

Quark not good for 6S, tooo bad.

i like speed run , i will keep try how faster my CRT... yes just CRT.