mohamadi wrote:hi,
how can i change number of items in jcarousel in responsive mode
 Hello 
mohamadi,
for this purpose you need to open your 
administration and go to 
Configuration -> 
Settings -> 
All settings and search for this setting:
jcarouselgeneralsettings.responsivebreakpointsforslickslider-pavilionEdit this setting and change the number after 
slidesToShow for each breakpoint.
However, have in mind that this is customization and therefore - it has not been tested. If you encounter any problems with it you would need to deal with them yourself.