brand-------shape------material-------bearing quality------smoothness-------price
dualbearings
substance----5------------4.6----------------3.8-------------------4.8-------------2
flatface-------4.8----------4.5----------------4.4-------------------4.5-------------1.8
nocomplyV6-3.8-----------4------------------2.9-------------------4---------------5
NCminis------3-------------4------------------2.9-------------------3.7-------------5
nollie minis---3-------------3------------------2.4-------------------3.6------------2.8
eto mga na try ko na dualbearings, wala ko experience sa single bearing wheels