all vehicles have there teathing problems at times but if you talk quelity contol i think some of you are write regardless or not if they replace the part..
i was disapointed in losi with quality of there smart diffs mine came with broken beval gear shafts and do you think they would replace them ar even return a email no nothing..... but thats okey i guess i bet a not alot of people have had that drama ?

but once your a losi fan always be a losi fan