Quick question about FX Tekin ESC (for brushed motor), is this ESC do not have reverse options?
thanks

Correct, the FX or FX Pro doesn't have reverse but the FX-R or FX-R Pro does.

thanks for the quick reply, too bad i cant use this for bashing with small space

since FX-R and FX-R Pro were mentioned, please enlighten me regarding the difference between the two

Read the specs, the pro can handle lower wind motors. It also is taller due to the additional FETs, weighs a bit more and costs more. Otherwise the performance with higher wind motors is about the same.