The disparar isn’t a really bad frame to master 180s on. But yes, if you’re really starting out and don’t know the mechanics behind how 180s are done, it is best not to use a disparar or any aluminium frame. Personally I’ve had multiple aluminium frames cracked due to learning 180s and pivot 180s. Other than that the disparar is a very strong light tanky bike which can handle the greatest banging or cranking. I’m 100kg and I use the disparar with no problem whatsoever