so ,can i use hpi-75141 for a front and hpi-75168 for rear ,or have some different spool ,sorry for question but i 'm new in drifting and i just by roller chasis pro4 on ebay and i need some help to set up for drift and also i use velineon motor and mamba max esc ,can you give my some idea about gearing i'm still waiting on chasis ,i want have everthing when i get chasis ,because like i said i don't have lhs here , online store
thank's again for reply